57657774540 has 48 divisors (see below), whose sum is σ = 161471907072. Its totient is φ = 15372536256.

The previous prime is 57657774539. The next prime is 57657774569. The reversal of 57657774540 is 4547775675.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 244687 + ... + 418553.

It is an arithmetic number, because the mean of its divisors is an integer number (3363998064).

Almost surely, 2^57657774540 is an apocalyptic number.

It is an amenable number.

57657774540 is an abundant number, since it is smaller than the sum of its proper divisors (103814132532).

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

57657774540 is a wasteful number, since it uses less digits than its factorization.

57657774540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179406 (or 179404 counting only the distinct ones).

The product of its (nonzero) digits is 28812000, while the sum is 57.

The spelling of 57657774540 in words is "fifty-seven billion, six hundred fifty-seven million, seven hundred seventy-four thousand, five hundred forty".