57536042 has 4 divisors (see below), whose sum is σ = 86304066. Its totient is φ = 28768020.

The previous prime is 57535981. The next prime is 57536053. The reversal of 57536042 is 24063575.

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

It can be written as a sum of positive squares in only one way, i.e., 52287361 + 5248681 = 7231^2 + 2291^2 .

It is a super-2 number, since 2×57536042² = 6620792258051528, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14384009 + ... + 14384012.

Almost surely, 2^57536042 is an apocalyptic number.

57536042 is a deficient number, since it is larger than the sum of its proper divisors (28768024).

57536042 is a wasteful number, since it uses less digits than its factorization.

57536042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28768023.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 57536042 is about 7585.2516108564. The cubic root of 57536042 is about 386.0527593056.

The spelling of 57536042 in words is "fifty-seven million, five hundred thirty-six thousand, forty-two".