56624242664 has 32 divisors (see below), whose sum is σ = 115831931040. Its totient is φ = 25736155200.

The previous prime is 56624242627. The next prime is 56624242673. The reversal of 56624242664 is 46624242665.

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, 1596467 + ... + 1631549.

It is an arithmetic number, because the mean of its divisors is an integer number (3619747845).

Almost surely, 2^56624242664 is an apocalyptic number.

It is an amenable number.

56624242664 is an abundant number, since it is smaller than the sum of its proper divisors (59207688376).

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

56624242664 is a wasteful number, since it uses less digits than its factorization.

56624242664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53441 (or 53437 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 47.

Subtracting from 56624242664 its reverse (46624242665), we obtain a palindrome (9999999999).

The spelling of 56624242664 in words is "fifty-six billion, six hundred twenty-four million, two hundred forty-two thousand, six hundred sixty-four".