54 (number)
From Wikipedia, the free encyclopedia
| Cardinal | 54 fifty-four |
| Ordinal | 54th fifty-fourth |
| Factorization |  |
| Divisors | 1, 2, 3, 6, 9, 18, 27, 54 |
| Roman numeral | LIV |
| Binary | 110110 |
| Hexadecimal | 36 |
54 (fifty-four) is the natural number following 53 and preceding 55.
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[edit] In mathematics
54 is a 19-gonal number. Twice the third power of three, 54 is a Leyland number. 54 can be written as the sum of three squares in three different ways: 72 + 22 + 12 = 62 + 2(32) = 2(52) + 22 = 54. It is the smallest number with this property. Like all other multiples of 6, it is a semiperfect number.
The factorial of 54 is 10,519,282,829,630,636,032 or, ten sextillion, five hundred nineteen quintillion, two hundred eighty-two quadrillion, eight hundred twenty nine trillion, six hundred thirty million, six hundred thirty six thousand, thirty two.
In base 10 it is a Harshad number.
[edit] In science
- The atomic number of xenon
[edit] Astronomy
- Messier object M54, a magnitude 8.5 globular cluster in the constellation Sagittarius
- The New General Catalogue object NGC 54, a spiral galaxy in the constellation Cetus
- The Saros number of the solar eclipse series which began on -1284 July 25 and ended on 32 September 3. The duration of Saros series 54 was 1316.2 years, and it contained 74 solar eclipses.
- The Saros number of the lunar eclipse series which began on -964 May 14 and ended on 334 July 3. The duration of Saros series 54 was 1298.1 years, and it contained 73 lunar eclipses.
[edit] In sports
- Brian Urlacher of the Chicago Bears wears the number 54.
- Allen Iverson scored 54 points (including his 15,000th career point) as the Sixers won 116-97 over the Bucks on December 19, 2004
- Fewest points in an NBA playoff game: Chicago (96), Utah (54), June 7, 1998
- The New York Rangers won the Stanley Cup in 1994, after 54 years
- For years car number 54 was NASCAR driver Lennie Pond
- A score of 54 in golf is colloquial referred to as a perfect round. This score has never been achieved in competition.
- Tedy Bruschi of the New England Patriots wears the number 54.
[edit] In other fields
Fifty-four is:
- +54 The code for international direct dial phone calls to Argentina
- A broadcast television channel number
- 54, a 1998 movie about Studio 54 starring Salma Hayek and Ryan Phillippe
- 54, a novel by the Wu Ming collective of authors
- The number of colored squares on a Rubik's cube
- In the title of a 1960s television show Car 54, Where Are You?
- The code for the French Département of Meurthe-et-Moselle
- New York's Warwick New York Hotel is on West 54th Street
