57120559992 has 64 divisors (see below), whose sum is σ = 159185241600. Its totient is φ = 18978144480.

The previous prime is 57120559939. The next prime is 57120560009. The reversal of 57120559992 is 29995502175.

It is a happy number.

57120559992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 364384 + ... + 497007.

It is an arithmetic number, because the mean of its divisors is an integer number (2487269400).

Almost surely, 2^57120559992 is an apocalyptic number.

It is an amenable number.

57120559992 is an abundant number, since it is smaller than the sum of its proper divisors (102064681608).

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

57120559992 is a wasteful number, since it uses less digits than its factorization.

57120559992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861713 (or 861703 counting only the distinct ones).

The product of its (nonzero) digits is 2551500, while the sum is 54.

The spelling of 57120559992 in words is "fifty-seven billion, one hundred twenty million, five hundred fifty-nine thousand, nine hundred ninety-two".