56515596 has 24 divisors (see below), whose sum is σ = 134359344. Its totient is φ = 18482880.

The previous prime is 56515583. The next prime is 56515607. The reversal of 56515596 is 69551565.

56515596 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43795 + ... + 45066.

It is an arithmetic number, because the mean of its divisors is an integer number (5598306).

Almost surely, 2^56515596 is an apocalyptic number.

It is an amenable number.

56515596 is an abundant number, since it is smaller than the sum of its proper divisors (77843748).

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

56515596 is a wasteful number, since it uses less digits than its factorization.

56515596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88921 (or 88919 counting only the distinct ones).

The product of its digits is 202500, while the sum is 42.

The square root of 56515596 is about 7517.6855480926. The cubic root of 56515596 is about 383.7568175993.

It can be divided in two parts, 5651559 and 6, that added together give a palindrome (5651565).

The spelling of 56515596 in words is "fifty-six million, five hundred fifteen thousand, five hundred ninety-six".