57242884 has 6 divisors (see below), whose sum is σ = 100175054. Its totient is φ = 28621440.

The previous prime is 57242849. The next prime is 57242981. The reversal of 57242884 is 48824275.

It can be written as a sum of positive squares in only one way, i.e., 54908100 + 2334784 = 7410^2 + 1528^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7155357 + ... + 7155364.

Almost surely, 2^57242884 is an apocalyptic number.

It is an amenable number.

57242884 is a deficient number, since it is larger than the sum of its proper divisors (42932170).

57242884 is a wasteful number, since it uses less digits than its factorization.

57242884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14310725 (or 14310723 counting only the distinct ones).

The product of its digits is 143360, while the sum is 40.

The square root of 57242884 is about 7565.9027220815. The cubic root of 57242884 is about 385.3959697377.

The spelling of 57242884 in words is "fifty-seven million, two hundred forty-two thousand, eight hundred eighty-four".