56930865 has 32 divisors (see below), whose sum is σ = 97099776. Its totient is φ = 28416960.

The previous prime is 56930831. The next prime is 56930879. The reversal of 56930865 is 56803965.

It is not a de Polignac number, because 56930865 - 2⁷ = 56930737 is a prime.

It is a super-2 number, since 2×56930865² = 6482246779296450, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14460 + ... + 17970.

It is an arithmetic number, because the mean of its divisors is an integer number (3034368).

Almost surely, 2^56930865 is an apocalyptic number.

It is an amenable number.

56930865 is a deficient number, since it is larger than the sum of its proper divisors (40168911).

56930865 is a wasteful number, since it uses less digits than its factorization.

56930865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3589.

The product of its (nonzero) digits is 194400, while the sum is 42.

The square root of 56930865 is about 7545.2544688698. The cubic root of 56930865 is about 384.6944559532.

The spelling of 56930865 in words is "fifty-six million, nine hundred thirty thousand, eight hundred sixty-five".