57312542 has 32 divisors (see below), whose sum is σ = 104545728. Its totient is φ = 23003136.

The previous prime is 57312533. The next prime is 57312553. The reversal of 57312542 is 24521375.

It is a happy number.

57312542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×57312542³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60698 + ... + 61634.

It is an arithmetic number, because the mean of its divisors is an integer number (3267054).

Almost surely, 2^57312542 is an apocalyptic number.

57312542 is a deficient number, since it is larger than the sum of its proper divisors (47233186).

57312542 is a wasteful number, since it uses less digits than its factorization.

57312542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220.

The product of its digits is 8400, while the sum is 29.

The square root of 57312542 is about 7570.5047387872. The cubic root of 57312542 is about 385.5522338791.

The spelling of 57312542 in words is "fifty-seven million, three hundred twelve thousand, five hundred forty-two".