57031290432 has 112 divisors (see below), whose sum is σ = 169200169600. Its totient is φ = 18835960320.

The previous prime is 57031290427. The next prime is 57031290487. The reversal of 57031290432 is 23409213075.

57031290432 is a `hidden beast` number, since 570 + 31 + 29 + 0 + 4 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 36957 + ... + 339747.

It is an arithmetic number, because the mean of its divisors is an integer number (1510715800).

Almost surely, 2^57031290432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57031290432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84600084800).

57031290432 is an abundant number, since it is smaller than the sum of its proper divisors (112168879168).

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

57031290432 is a wasteful number, since it uses less digits than its factorization.

57031290432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302921 (or 302905 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The spelling of 57031290432 in words is "fifty-seven billion, thirty-one million, two hundred ninety thousand, four hundred thirty-two".