57032405 has 24 divisors (see below), whose sum is σ = 72691200. Its totient is φ = 42910560.

The previous prime is 57032389. The next prime is 57032413. The reversal of 57032405 is 50423075.

It is not a de Polignac number, because 57032405 - 2⁴ = 57032389 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 286496 + ... + 286694.

It is an arithmetic number, because the mean of its divisors is an integer number (3028800).

Almost surely, 2^57032405 is an apocalyptic number.

It is an amenable number.

57032405 is a deficient number, since it is larger than the sum of its proper divisors (15658795).

57032405 is a wasteful number, since it uses less digits than its factorization.

57032405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321 (or 278 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 57032405 is about 7551.9802038935. The cubic root of 57032405 is about 384.9230295333.

The spelling of 57032405 in words is "fifty-seven million, thirty-two thousand, four hundred five".