56631683706 has 32 divisors (see below), whose sum is σ = 122368192128. Its totient is φ = 17369096640.

The previous prime is 56631683701. The next prime is 56631683707. The reversal of 56631683706 is 60738613665.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (56631683701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1143021 + ... + 1191536.

It is an arithmetic number, because the mean of its divisors is an integer number (3824006004).

Almost surely, 2^56631683706 is an apocalyptic number.

56631683706 is an abundant number, since it is smaller than the sum of its proper divisors (65736508422).

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

56631683706 is a wasteful number, since it uses less digits than its factorization.

56631683706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2334886.

The product of its (nonzero) digits is 3265920, while the sum is 51.

The spelling of 56631683706 in words is "fifty-six billion, six hundred thirty-one million, six hundred eighty-three thousand, seven hundred six".