57172945624 has 32 divisors (see below), whose sum is σ = 107620618320. Its totient is φ = 28474333056.

The previous prime is 57172945603. The next prime is 57172945637. The reversal of 57172945624 is 42654927175.

It is a super-2 number, since 2×57172945624² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2159314 + ... + 2185630.

Almost surely, 2^57172945624 is an apocalyptic number.

It is an amenable number.

57172945624 is a deficient number, since it is larger than the sum of its proper divisors (50447672696).

57172945624 is a wasteful number, since it uses less digits than its factorization.

57172945624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27379 (or 27375 counting only the distinct ones).

The product of its digits is 4233600, while the sum is 52.

The spelling of 57172945624 in words is "fifty-seven billion, one hundred seventy-two million, nine hundred forty-five thousand, six hundred twenty-four".