56931568 has 10 divisors (see below), whose sum is σ = 110304944. Its totient is φ = 28465776.

The previous prime is 56931557. The next prime is 56931571. The reversal of 56931568 is 86513965.

56931568 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 1779096 + ... + 1779127.

Almost surely, 2^56931568 is an apocalyptic number.

It is an amenable number.

56931568 is a deficient number, since it is larger than the sum of its proper divisors (53373376).

56931568 is a wasteful number, since it uses less digits than its factorization.

56931568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3558231 (or 3558225 counting only the distinct ones).

The product of its digits is 194400, while the sum is 43.

The square root of 56931568 is about 7545.3010542986. The cubic root of 56931568 is about 384.6960393889.

The spelling of 56931568 in words is "fifty-six million, nine hundred thirty-one thousand, five hundred sixty-eight".