57564066 has 16 divisors (see below), whose sum is σ = 131575104. Its totient is φ = 16446864.

The previous prime is 57564037. The next prime is 57564071. The reversal of 57564066 is 66046575.

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, 685245 + ... + 685328.

It is an arithmetic number, because the mean of its divisors is an integer number (8223444).

Almost surely, 2^57564066 is an apocalyptic number.

57564066 is an abundant number, since it is smaller than the sum of its proper divisors (74011038).

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

57564066 is a wasteful number, since it uses less digits than its factorization.

57564066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1370585.

The product of its (nonzero) digits is 151200, while the sum is 39.

The square root of 57564066 is about 7587.0986549537. The cubic root of 57564066 is about 386.1154271925.

The spelling of 57564066 in words is "fifty-seven million, five hundred sixty-four thousand, sixty-six".