57305564 has 6 divisors (see below), whose sum is σ = 100284744. Its totient is φ = 28652780.

The previous prime is 57305543. The next prime is 57305621. The reversal of 57305564 is 46550375.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7163192 + ... + 7163199.

It is an arithmetic number, because the mean of its divisors is an integer number (16714124).

Almost surely, 2^57305564 is an apocalyptic number.

It is an amenable number.

57305564 is a deficient number, since it is larger than the sum of its proper divisors (42979180).

57305564 is a wasteful number, since it uses less digits than its factorization.

57305564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14326395 (or 14326393 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 35.

The square root of 57305564 is about 7570.0438572045. The cubic root of 57305564 is about 385.5365858052.

The spelling of 57305564 in words is "fifty-seven million, three hundred five thousand, five hundred sixty-four".