51015056 has 20 divisors (see below), whose sum is σ = 98957952. Its totient is φ = 25477536.

The previous prime is 51015047. The next prime is 51015061. The reversal of 51015056 is 65051015.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19625 + ... + 22071.

Almost surely, 2^51015056 is an apocalyptic number.

It is an amenable number.

51015056 is a deficient number, since it is larger than the sum of its proper divisors (47942896).

51015056 is a wasteful number, since it uses less digits than its factorization.

51015056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3758 (or 3752 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 51015056 is about 7142.4824816026. The cubic root of 51015056 is about 370.8794662241.

The spelling of 51015056 in words is "fifty-one million, fifteen thousand, fifty-six".