57921971124 has 48 divisors (see below), whose sum is σ = 150633000000. Its totient is φ = 17215197696.

The previous prime is 57921971119. The next prime is 57921971167. The reversal of 57921971124 is 42117912975.

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, 7467999 + ... + 7475750.

It is an arithmetic number, because the mean of its divisors is an integer number (3138187500).

Almost surely, 2^57921971124 is an apocalyptic number.

It is an amenable number.

57921971124 is an abundant number, since it is smaller than the sum of its proper divisors (92711028876).

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

57921971124 is a wasteful number, since it uses less digits than its factorization.

57921971124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14943792 (or 14943790 counting only the distinct ones).

The product of its digits is 317520, while the sum is 48.

The spelling of 57921971124 in words is "fifty-seven billion, nine hundred twenty-one million, nine hundred seventy-one thousand, one hundred twenty-four".