56531912 has 16 divisors (see below), whose sum is σ = 107794800. Its totient is φ = 27786640.

The previous prime is 56531887. The next prime is 56531939. The reversal of 56531912 is 21913565.

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, 59414 + ... + 60357.

It is an arithmetic number, because the mean of its divisors is an integer number (6737175).

Almost surely, 2^56531912 is an apocalyptic number.

It is an amenable number.

56531912 is a deficient number, since it is larger than the sum of its proper divisors (51262888).

56531912 is a wasteful number, since it uses less digits than its factorization.

56531912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119836 (or 119832 counting only the distinct ones).

The product of its digits is 8100, while the sum is 32.

The square root of 56531912 is about 7518.7706441944. The cubic root of 56531912 is about 383.7937441248.

The spelling of 56531912 in words is "fifty-six million, five hundred thirty-one thousand, nine hundred twelve".