57431216568 has 64 divisors (see below), whose sum is σ = 163440633600. Its totient is φ = 16646727680.

The previous prime is 57431216561. The next prime is 57431216593. The reversal of 57431216568 is 86561213475.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57431216561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4723113 + ... + 4735256.

It is an arithmetic number, because the mean of its divisors is an integer number (2553759900).

Almost surely, 2^57431216568 is an apocalyptic number.

It is an amenable number.

57431216568 is an abundant number, since it is smaller than the sum of its proper divisors (106009417032).

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

57431216568 is a wasteful number, since it uses less digits than its factorization.

57431216568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9458412 (or 9458408 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 48.

The spelling of 57431216568 in words is "fifty-seven billion, four hundred thirty-one million, two hundred sixteen thousand, five hundred sixty-eight".