57457265688 has 48 divisors (see below), whose sum is σ = 155626380000. Its totient is φ = 19150827840.

The previous prime is 57457265641. The next prime is 57457265711. The reversal of 57457265688 is 88656275475.

57457265688 is a `hidden beast` number, since 5 + 7 + 4 + 572 + 6 + 56 + 8 + 8 = 666.

It is a super-2 number, since 2×57457265688² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1108593 + ... + 1159263.

It is an arithmetic number, because the mean of its divisors is an integer number (3242216250).

Almost surely, 2^57457265688 is an apocalyptic number.

It is an amenable number.

57457265688 is an abundant number, since it is smaller than the sum of its proper divisors (98169114312).

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

57457265688 is a wasteful number, since it uses less digits than its factorization.

57457265688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66432 (or 66425 counting only the distinct ones).

The product of its digits is 112896000, while the sum is 63.

The spelling of 57457265688 in words is "fifty-seven billion, four hundred fifty-seven million, two hundred sixty-five thousand, six hundred eighty-eight".