57312427 has 4 divisors (see below), whose sum is σ = 57327616. Its totient is φ = 57297240.

The previous prime is 57312419. The next prime is 57312449. The reversal of 57312427 is 72421375.

57312427 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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 57312427 - 2³ = 57312419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57312487) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2902 + ... + 11092.

It is an arithmetic number, because the mean of its divisors is an integer number (14331904).

Almost surely, 2^57312427 is an apocalyptic number.

57312427 is a deficient number, since it is larger than the sum of its proper divisors (15189).

57312427 is an equidigital number, since it uses as much as digits as its factorization.

57312427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15188.

The product of its digits is 11760, while the sum is 31.

The square root of 57312427 is about 7570.4971435171. The cubic root of 57312427 is about 385.5519760034.

The spelling of 57312427 in words is "fifty-seven million, three hundred twelve thousand, four hundred twenty-seven".