57151998553638 has 16 divisors (see below), whose sum is σ = 114576799014720. Its totient is φ = 19005199199976.

The previous prime is 57151998553621. The next prime is 57151998553667. The reversal of 57151998553638 is 83635589915175.

It is a self number, because there is not a number n which added to its sum of digits gives 57151998553638.

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, 11366743420 + ... + 11366748447.

It is an arithmetic number, because the mean of its divisors is an integer number (7161049938420).

Almost surely, 2^{57151998553638} is an apocalyptic number.

57151998553638 is an abundant number, since it is smaller than the sum of its proper divisors (57424800461082).

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

57151998553638 is a wasteful number, since it uses less digits than its factorization.

57151998553638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22733492291.

The product of its digits is 1224720000, while the sum is 75.

The spelling of 57151998553638 in words is "fifty-seven trillion, one hundred fifty-one billion, nine hundred ninety-eight million, five hundred fifty-three thousand, six hundred thirty-eight".