57305885 has 64 divisors (see below), whose sum is σ = 90478080. Its totient is φ = 33868800.

The previous prime is 57305873. The next prime is 57305893. The reversal of 57305885 is 58850375.

It is not a de Polignac number, because 57305885 - 2⁴ = 57305869 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 567335 + ... + 567435.

It is an arithmetic number, because the mean of its divisors is an integer number (1413720).

Almost surely, 2^57305885 is an apocalyptic number.

It is an amenable number.

57305885 is a deficient number, since it is larger than the sum of its proper divisors (33172195).

57305885 is a wasteful number, since it uses less digits than its factorization.

57305885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198.

The product of its (nonzero) digits is 168000, while the sum is 41.

The square root of 57305885 is about 7570.0650591656. The cubic root of 57305885 is about 385.5373056713.

The spelling of 57305885 in words is "fifty-seven million, three hundred five thousand, eight hundred eighty-five".