57412891 has 2 divisors, whose sum is σ = 57412892. Its totient is φ = 57412890.

The previous prime is 57412877. The next prime is 57412907. The reversal of 57412891 is 19821475.

57412891 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57412891 - 2²⁵ = 23858459 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57412891.

It is not a weakly prime, because it can be changed into another prime (57412811) 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 as a sum of consecutive naturals, namely, 28706445 + 28706446.

It is an arithmetic number, because the mean of its divisors is an integer number (28706446).

Almost surely, 2^57412891 is an apocalyptic number.

57412891 is a deficient number, since it is larger than the sum of its proper divisors (1).

57412891 is an equidigital number, since it uses as much as digits as its factorization.

57412891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 37.

The square root of 57412891 is about 7577.1294696607. The cubic root of 57412891 is about 385.7771248655. Note that the first 3 decimals are identical.

The spelling of 57412891 in words is "fifty-seven million, four hundred twelve thousand, eight hundred ninety-one".