56658872 has 16 divisors (see below), whose sum is σ = 106369200. Its totient is φ = 28293760.

The previous prime is 56658869. The next prime is 56658881. The reversal of 56658872 is 27885665.

It is a congruent 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, 3029 + ... + 11067.

It is an arithmetic number, because the mean of its divisors is an integer number (6648075).

Almost surely, 2^56658872 is an apocalyptic number.

It is an amenable number.

56658872 is a deficient number, since it is larger than the sum of its proper divisors (49710328).

56658872 is a wasteful number, since it uses less digits than its factorization.

56658872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8926 (or 8922 counting only the distinct ones).

The product of its digits is 806400, while the sum is 47.

The square root of 56658872 is about 7527.2087788237. The cubic root of 56658872 is about 384.0808387389.

The spelling of 56658872 in words is "fifty-six million, six hundred fifty-eight thousand, eight hundred seventy-two".