57319117720 has 32 divisors (see below), whose sum is σ = 129187774800. Its totient is φ = 22888578688.

The previous prime is 57319117697. The next prime is 57319117733. The reversal of 57319117720 is 2771191375.

57319117720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 1197115 + ... + 1244074.

Almost surely, 2^57319117720 is an apocalyptic number.

It is an amenable number.

57319117720 is an abundant number, since it is smaller than the sum of its proper divisors (71868657080).

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

57319117720 is a wasteful number, since it uses less digits than its factorization.

57319117720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2441787 (or 2441783 counting only the distinct ones).

The product of its (nonzero) digits is 92610, while the sum is 43.

The spelling of 57319117720 in words is "fifty-seven billion, three hundred nineteen million, one hundred seventeen thousand, seven hundred twenty".