57466638 has 16 divisors (see below), whose sum is σ = 127703760. Its totient is φ = 19155528.

The previous prime is 57466589. The next prime is 57466657. The reversal of 57466638 is 83666475.

It is a junction number, because it is equal to n+sod(n) for n = 57466593 and 57466602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 532045 + ... + 532152.

It is an arithmetic number, because the mean of its divisors is an integer number (7981485).

Almost surely, 2^57466638 is an apocalyptic number.

57466638 is an abundant number, since it is smaller than the sum of its proper divisors (70237122).

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

57466638 is a wasteful number, since it uses less digits than its factorization.

57466638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064208 (or 1064202 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 57466638 is about 7580.6752997342. The cubic root of 57466638 is about 385.8974688973.

The spelling of 57466638 in words is "fifty-seven million, four hundred sixty-six thousand, six hundred thirty-eight".