57655021374 has 32 divisors (see below), whose sum is σ = 128135377440. Its totient is φ = 19216374336.

The previous prime is 57655021327. The next prime is 57655021387. The reversal of 57655021374 is 47312055675.

It is a happy number.

57655021374 is a `hidden beast` number, since 5 + 7 + 6 + 5 + 502 + 137 + 4 = 666.

It is a congruent number.

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, 536874 + ... + 635250.

It is an arithmetic number, because the mean of its divisors is an integer number (4004230545).

Almost surely, 2^57655021374 is an apocalyptic number.

57655021374 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

57655021374 is an abundant number, since it is smaller than the sum of its proper divisors (70480356066).

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

57655021374 is a wasteful number, since it uses less digits than its factorization.

57655021374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109241 (or 109235 counting only the distinct ones).

The product of its (nonzero) digits is 882000, while the sum is 45.

The spelling of 57655021374 in words is "fifty-seven billion, six hundred fifty-five million, twenty-one thousand, three hundred seventy-four".