57522527640 has 48 divisors (see below), whose sum is σ = 186948216000. Its totient is φ = 15339340608.

The previous prime is 57522527627. The next prime is 57522527651. The reversal of 57522527640 is 4672522575.

57522527640 is a `hidden beast` number, since 5 + 7 + 522 + 52 + 76 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79892040 + ... + 79892759.

It is an arithmetic number, because the mean of its divisors is an integer number (3894754500).

Almost surely, 2^57522527640 is an apocalyptic number.

It is an amenable number.

57522527640 is an abundant number, since it is smaller than the sum of its proper divisors (129425688360).

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

57522527640 is a wasteful number, since it uses less digits than its factorization.

57522527640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159784816 (or 159784809 counting only the distinct ones).

The product of its (nonzero) digits is 1176000, while the sum is 45.

The spelling of 57522527640 in words is "fifty-seven billion, five hundred twenty-two million, five hundred twenty-seven thousand, six hundred forty".