56915573600 has 72 divisors (see below), whose sum is σ = 138986260560. Its totient is φ = 22759493120.

The previous prime is 56915573599. The next prime is 56915573609. The reversal of 56915573600 is 637551965.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56915573609) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 3374789 + ... + 3391611.

It is an arithmetic number, because the mean of its divisors is an integer number (1930364730).

Almost surely, 2^56915573600 is an apocalyptic number.

56915573600 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

56915573600 is an abundant number, since it is smaller than the sum of its proper divisors (82070686960).

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

56915573600 is a wasteful number, since it uses less digits than its factorization.

56915573600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21072 (or 21059 counting only the distinct ones).

The product of its (nonzero) digits is 850500, while the sum is 47.

The spelling of 56915573600 in words is "fifty-six billion, nine hundred fifteen million, five hundred seventy-three thousand, six hundred".