57532385 has 4 divisors (see below), whose sum is σ = 69038868. Its totient is φ = 46025904.

The previous prime is 57532367. The next prime is 57532393. The reversal of 57532385 is 58323575.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 31225744 + 26306641 = 5588^2 + 5129^2 .

It is a cyclic number.

It is not a de Polignac number, because 57532385 - 2⁸ = 57532129 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5753234 + ... + 5753243.

It is an arithmetic number, because the mean of its divisors is an integer number (17259717).

Almost surely, 2^57532385 is an apocalyptic number.

It is an amenable number.

57532385 is a deficient number, since it is larger than the sum of its proper divisors (11506483).

57532385 is a wasteful number, since it uses less digits than its factorization.

57532385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11506482.

The product of its digits is 126000, while the sum is 38.

The square root of 57532385 is about 7585.0105471252. The cubic root of 57532385 is about 386.0445799407.

It can be divided in two parts, 57 and 532385, that multiplied together give a triangular number (30345945 = T₇₇₉₀).

The spelling of 57532385 in words is "fifty-seven million, five hundred thirty-two thousand, three hundred eighty-five".