Fifty-eight
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For the year A.D. 58, see 58.

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Fifty-eight (58, LVIII) is the natural number following fifty-seven and preceeding fifty-nine. Its divisors are 1, 2, 29, and 59; its factorisation is

Given 58, the Mertens function returns 0.

This number is the sum of the first seven prime numbers.

Fifty-eight is also:

• The atomic number of cerium, a lanthanide.
• The code for international direct dial phone calls to Venezuela.
• Part of the title of a collection of songs by Esther Lee, Fifty-Eight Now Nine.

The original article can be found at: http://en.wikipedia.org/wiki/Fifty-eight.
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