57126718056 has 16 divisors (see below), whose sum is σ = 142816795200. Its totient is φ = 19042239344.

The previous prime is 57126718031. The next prime is 57126718091. The reversal of 57126718056 is 65081762175.

It is a junction number, because it is equal to n+sod(n) for n = 57126717996 and 57126718014.

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, 1190139936 + ... + 1190139983.

It is an arithmetic number, because the mean of its divisors is an integer number (8926049700).

Almost surely, 2^57126718056 is an apocalyptic number.

It is an amenable number.

57126718056 is an abundant number, since it is smaller than the sum of its proper divisors (85690077144).

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

57126718056 is a wasteful number, since it uses less digits than its factorization.

57126718056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2380279928 (or 2380279924 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 48.

The spelling of 57126718056 in words is "fifty-seven billion, one hundred twenty-six million, seven hundred eighteen thousand, fifty-six".