56520405474 has 16 divisors (see below), whose sum is σ = 121736258112. Its totient is φ = 17390893968.

The previous prime is 56520405443. The next prime is 56520405541. The reversal of 56520405474 is 47450402565.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 362310214 + ... + 362310369.

It is an arithmetic number, because the mean of its divisors is an integer number (7608516132).

Almost surely, 2^56520405474 is an apocalyptic number.

56520405474 is an abundant number, since it is smaller than the sum of its proper divisors (65215852638).

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

56520405474 is a wasteful number, since it uses less digits than its factorization.

56520405474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724620601.

The product of its (nonzero) digits is 672000, while the sum is 42.

The spelling of 56520405474 in words is "fifty-six billion, five hundred twenty million, four hundred five thousand, four hundred seventy-four".