56631016 has 32 divisors (see below), whose sum is σ = 117449640. Its totient is φ = 25429248.

The previous prime is 56630993. The next prime is 56631049. The reversal of 56631016 is 61013665.

It can be written as a sum of positive squares in 4 ways, for example, as 44756100 + 11874916 = 6690^2 + 3446^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3511 + ... + 11206.

Almost surely, 2^56631016 is an apocalyptic number.

It is an amenable number.

56631016 is an abundant number, since it is smaller than the sum of its proper divisors (60818624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56631016 is a wasteful number, since it uses less digits than its factorization.

56631016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14773 (or 14769 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 56631016 is about 7525.3581974548. The cubic root of 56631016 is about 384.0178847284.

The spelling of 56631016 in words is "fifty-six million, six hundred thirty-one thousand, sixteen".