57657646432 has 48 divisors (see below), whose sum is σ = 114512251392. Its totient is φ = 28575590400.

The previous prime is 57657646427. The next prime is 57657646447. The reversal of 57657646432 is 23464675675.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4874958 + ... + 4886770.

It is an arithmetic number, because the mean of its divisors is an integer number (2385671904).

Almost surely, 2^57657646432 is an apocalyptic number.

It is an amenable number.

57657646432 is a deficient number, since it is larger than the sum of its proper divisors (56854604960).

57657646432 is a wasteful number, since it uses less digits than its factorization.

57657646432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13151 (or 13143 counting only the distinct ones).

The product of its digits is 25401600, while the sum is 55.

The spelling of 57657646432 in words is "fifty-seven billion, six hundred fifty-seven million, six hundred forty-six thousand, four hundred thirty-two".