57042512 has 20 divisors (see below), whose sum is σ = 111136116. Its totient is φ = 28362240.

The previous prime is 57042487. The next prime is 57042529. The reversal of 57042512 is 21524075.

It can be written as a sum of positive squares in 2 ways, for example, as 3225616 + 53816896 = 1796^2 + 7336^2 .

It is a congruent 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, 6953 + ... + 12744.

Almost surely, 2^57042512 is an apocalyptic number.

It is an amenable number.

57042512 is a deficient number, since it is larger than the sum of its proper divisors (54093604).

57042512 is a wasteful number, since it uses less digits than its factorization.

57042512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19886 (or 19880 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 57042512 is about 7552.6493364911. The cubic root of 57042512 is about 384.9457662404.

Adding to 57042512 its reverse (21524075), we get a palindrome (78566587).

The spelling of 57042512 in words is "fifty-seven million, forty-two thousand, five hundred twelve".