56630986 has 16 divisors (see below), whose sum is σ = 87879168. Its totient is φ = 27342000.

The previous prime is 56630971. The next prime is 56630993. The reversal of 56630986 is 68903665.

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, 42811 + ... + 44113.

It is an arithmetic number, because the mean of its divisors is an integer number (5492448).

Almost surely, 2^56630986 is an apocalyptic number.

56630986 is a deficient number, since it is larger than the sum of its proper divisors (31248182).

56630986 is a wasteful number, since it uses less digits than its factorization.

56630986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2037.

The product of its (nonzero) digits is 233280, while the sum is 43.

The square root of 56630986 is about 7525.3562041939. The cubic root of 56630986 is about 384.0178169178.

The spelling of 56630986 in words is "fifty-six million, six hundred thirty thousand, nine hundred eighty-six".