56615403522 has 32 divisors (see below), whose sum is σ = 113850519552. Its totient is φ = 18768755664.

The previous prime is 56615403521. The next prime is 56615403527. The reversal of 56615403522 is 22530451665.

It is not an unprimeable number, because it can be changed into a prime (56615403521) 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, 928293 + ... + 987399.

It is an arithmetic number, because the mean of its divisors is an integer number (3557828736).

Almost surely, 2^56615403522 is an apocalyptic number.

56615403522 is an abundant number, since it is smaller than the sum of its proper divisors (57235116030).

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

56615403522 is a wasteful number, since it uses less digits than its factorization.

56615403522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59982.

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

The spelling of 56615403522 in words is "fifty-six billion, six hundred fifteen million, four hundred three thousand, five hundred twenty-two".