56638924 has 12 divisors (see below), whose sum is σ = 104335000. Its totient is φ = 26828928.

The previous prime is 56638909. The next prime is 56638957. The reversal of 56638924 is 42983665.

56638924 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 372549 + ... + 372700.

Almost surely, 2^56638924 is an apocalyptic number.

It is an amenable number.

56638924 is a deficient number, since it is larger than the sum of its proper divisors (47696076).

56638924 is a wasteful number, since it uses less digits than its factorization.

56638924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745272 (or 745270 counting only the distinct ones).

The product of its digits is 311040, while the sum is 43.

The square root of 56638924 is about 7525.8836026077. The cubic root of 56638924 is about 384.0357587504.

The spelling of 56638924 in words is "fifty-six million, six hundred thirty-eight thousand, nine hundred twenty-four".