57431173730 has 24 divisors (see below), whose sum is σ = 120253846428. Its totient is φ = 19690687968.

The previous prime is 57431173697. The next prime is 57431173747. The reversal of 57431173730 is 3737113475.

57431173730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 50430337489 + 7000836241 = 224567^2 + 83671^2 .

It is a super-2 number, since 2×57431173730² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58602749 + ... + 58603728.

Almost surely, 2^57431173730 is an apocalyptic number.

57431173730 is an abundant number, since it is smaller than the sum of its proper divisors (62822672698).

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

57431173730 is a wasteful number, since it uses less digits than its factorization.

57431173730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117206498 (or 117206491 counting only the distinct ones).

The product of its (nonzero) digits is 185220, while the sum is 41.

The spelling of 57431173730 in words is "fifty-seven billion, four hundred thirty-one million, one hundred seventy-three thousand, seven hundred thirty".