57157125456 has 40 divisors (see below), whose sum is σ = 149735577024. Its totient is φ = 18784030720.

The previous prime is 57157125451. The next prime is 57157125463. The reversal of 57157125456 is 65452175175.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57157125451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8382321 + ... + 8389136.

Almost surely, 2^57157125456 is an apocalyptic number.

It is an amenable number.

57157125456 is an abundant number, since it is smaller than the sum of its proper divisors (92578451568).

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

57157125456 is a wasteful number, since it uses less digits than its factorization.

57157125456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16771539 (or 16771533 counting only the distinct ones).

The product of its digits is 1470000, while the sum is 48.

The spelling of 57157125456 in words is "fifty-seven billion, one hundred fifty-seven million, one hundred twenty-five thousand, four hundred fifty-six".