54 (number)
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| Cardinal | fifty-four | ||
| Ordinal | 54th (fifty-fourth) | ||
| Factorization | <math>2\cdot 3^3<math> | ||
| Divisors | 2, 3, 6, 9, 18, 27 | ||
| Roman numeral | LIV | ||
| Binary | 110110 | ||
| Hexadecimal | 36 | ||
Fifty-four (54) is the natural number following 53 and preceding 55.
In mathematics
54 is a 19-gonal number and a Harshad number.
In science
- The atomic number of xenon
In astronomy,
- Messier object M54, a magnitude 8.5 globular cluster in the constellation Sagittarius
- The New General Catalogue object (http://www.ngcic.org/) NGC 54, a spiral galaxy in the constellation Cetus
- The Saros number (http://sunearth.gsfc.nasa.gov/eclipse/SEsaros/SEsaros1-175.html) 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 (http://sunearth.gsfc.nasa.gov/eclipse/LEsaros/LEsaros1-175.html) 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.
In other fields
Fifty-four is also:
- The code for international direct dial phone calls to Argentina.
- The title of a 1998 movie about Studio 54 starring Salma Hayek and Ryan Phillippe.
- The number of colored squares on a Rubik's cube.
- In the title of a 1960s television show titled Car 54, Where Are You?.
- The code for the French Département of Meurthe-et-Moselle.
As a year, it can refer to AD 54, 54 BC, or 1954.eo:Kvindek kvar es:Cincuenta y cuatro ko:54 ia:54 it:Cinquantaquattro ja:54