56621506564430 has 32 divisors (see below), whose sum is σ = 104405143661280. Its totient is φ = 22096068666880.

The previous prime is 56621506564351. The next prime is 56621506564453. The reversal of 56621506564430 is 3446560512665.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100911917 + ... + 101471463.

It is an arithmetic number, because the mean of its divisors is an integer number (3262660739415).

Almost surely, 2^{56621506564430} is an apocalyptic number.

56621506564430 is a deficient number, since it is larger than the sum of its proper divisors (47783637096850).

56621506564430 is a wasteful number, since it uses less digits than its factorization.

56621506564430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806404.

The product of its (nonzero) digits is 15552000, while the sum is 53.

The spelling of 56621506564430 in words is "fifty-six trillion, six hundred twenty-one billion, five hundred six million, five hundred sixty-four thousand, four hundred thirty".