57382566 has 16 divisors (see below), whose sum is σ = 114912000. Its totient is φ = 19103048.

The previous prime is 57382553. The next prime is 57382601. The reversal of 57382566 is 66528375.

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, 666 + ... + 10733.

It is an arithmetic number, because the mean of its divisors is an integer number (7182000).

Almost surely, 2^57382566 is an apocalyptic number.

57382566 is an abundant number, since it is smaller than the sum of its proper divisors (57529434).

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

57382566 is a wasteful number, since it uses less digits than its factorization.

57382566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12243.

The product of its digits is 302400, while the sum is 42.

The square root of 57382566 is about 7575.1281177284. The cubic root of 57382566 is about 385.7091915063.

The spelling of 57382566 in words is "fifty-seven million, three hundred eighty-two thousand, five hundred sixty-six".