56522013564 has 24 divisors (see below), whose sum is σ = 131930588160. Its totient is φ = 18834115504.

The previous prime is 56522013553. The next prime is 56522013571. The reversal of 56522013564 is 46531022565.

It is a congruent number.

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, 783474 + ... + 852569.

It is an arithmetic number, because the mean of its divisors is an integer number (5497107840).

Almost surely, 2^56522013564 is an apocalyptic number.

It is an amenable number.

56522013564 is an abundant number, since it is smaller than the sum of its proper divisors (75408574596).

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

56522013564 is a wasteful number, since it uses less digits than its factorization.

56522013564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1638929 (or 1638927 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 39.

Subtracting from 56522013564 its reverse (46531022565), we obtain a palindrome (9990990999).

The spelling of 56522013564 in words is "fifty-six billion, five hundred twenty-two million, thirteen thousand, five hundred sixty-four".