56957928 has 16 divisors (see below), whose sum is σ = 142394880. Its totient is φ = 18985968.

The previous prime is 56957909. The next prime is 56957941. The reversal of 56957928 is 82975965.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1186600 + ... + 1186647.

It is an arithmetic number, because the mean of its divisors is an integer number (8899680).

Almost surely, 2^56957928 is an apocalyptic number.

It is an amenable number.

56957928 is an abundant number, since it is smaller than the sum of its proper divisors (85436952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56957928 is a wasteful number, since it uses less digits than its factorization.

56957928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2373256 (or 2373252 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 51.

The square root of 56957928 is about 7547.0476346715. The cubic root of 56957928 is about 384.7554031905.

The spelling of 56957928 in words is "fifty-six million, nine hundred fifty-seven thousand, nine hundred twenty-eight".