57492743688 has 24 divisors (see below), whose sum is σ = 155709514350. Its totient is φ = 19164247872.

The previous prime is 57492743677. The next prime is 57492743689. The reversal of 57492743688 is 88634729475.

57492743688 is a `hidden beast` number, since 574 + 9 + 27 + 4 + 36 + 8 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 49291992324 + 8200751364 = 222018^2 + 90558^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (57492743689) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 399255093 + ... + 399255236.

Almost surely, 2^57492743688 is an apocalyptic number.

It is an amenable number.

57492743688 is an abundant number, since it is smaller than the sum of its proper divisors (98216770662).

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

57492743688 is a wasteful number, since it uses less digits than its factorization.

57492743688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798510341 (or 798510334 counting only the distinct ones).

The product of its digits is 81285120, while the sum is 63.

The spelling of 57492743688 in words is "fifty-seven billion, four hundred ninety-two million, seven hundred forty-three thousand, six hundred eighty-eight".