57542385 has 16 divisors (see below), whose sum is σ = 94209984. Its totient is φ = 29975232.

The previous prime is 57542377. The next prime is 57542411. The reversal of 57542385 is 58324575.

It is not a de Polignac number, because 57542385 - 2³ = 57542377 is a prime.

It is a super-2 number, since 2×57542385² = 6622252142976450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43962 + ... + 45251.

It is an arithmetic number, because the mean of its divisors is an integer number (5888124).

Almost surely, 2^57542385 is an apocalyptic number.

It is an amenable number.

57542385 is a deficient number, since it is larger than the sum of its proper divisors (36667599).

57542385 is a wasteful number, since it uses less digits than its factorization.

57542385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89264.

The product of its digits is 168000, while the sum is 39.

The square root of 57542385 is about 7585.6697133477. The cubic root of 57542385 is about 386.0669454435.

The spelling of 57542385 in words is "fifty-seven million, five hundred forty-two thousand, three hundred eighty-five".