57431749172 has 12 divisors (see below), whose sum is σ = 114863498400. Its totient is φ = 24613606776.

The previous prime is 57431749159. The next prime is 57431749181. The reversal of 57431749172 is 27194713475.

57431749172 is an admirable number.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 57431749172.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1025566922 + ... + 1025566977.

It is an arithmetic number, because the mean of its divisors is an integer number (9571958200).

Almost surely, 2^57431749172 is an apocalyptic number.

It is an amenable number.

57431749172 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

57431749172 is a wasteful number, since it uses less digits than its factorization.

57431749172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2051133910 (or 2051133908 counting only the distinct ones).

The product of its digits is 1481760, while the sum is 50.

The spelling of 57431749172 in words is "fifty-seven billion, four hundred thirty-one million, seven hundred forty-nine thousand, one hundred seventy-two".