57112642 has 4 divisors (see below), whose sum is σ = 85668966. Its totient is φ = 28556320.

The previous prime is 57112619. The next prime is 57112667. The reversal of 57112642 is 24621175.

57112642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 54774801 + 2337841 = 7401^2 + 1529^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 57112642.

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 as a sum of consecutive naturals, namely, 14278159 + ... + 14278162.

Almost surely, 2^57112642 is an apocalyptic number.

57112642 is a deficient number, since it is larger than the sum of its proper divisors (28556324).

57112642 is a wasteful number, since it uses less digits than its factorization.

57112642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28556323.

The product of its digits is 3360, while the sum is 28.

The square root of 57112642 is about 7557.2906520790. The cubic root of 57112642 is about 385.1034567641.

The spelling of 57112642 in words is "fifty-seven million, one hundred twelve thousand, six hundred forty-two".