57945889 has 2 divisors, whose sum is σ = 57945890. Its totient is φ = 57945888.

The previous prime is 57945871. The next prime is 57945919. The reversal of 57945889 is 98854975.

57945889 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 can be written as a sum of positive squares in only one way, i.e., 51595489 + 6350400 = 7183^2 + 2520^2 .

It is a cyclic number.

It is not a de Polignac number, because 57945889 - 2⁷ = 57945761 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (57945859) 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, 28972944 + 28972945.

It is an arithmetic number, because the mean of its divisors is an integer number (28972945).

Almost surely, 2^57945889 is an apocalyptic number.

It is an amenable number.

57945889 is a deficient number, since it is larger than the sum of its proper divisors (1).

57945889 is an equidigital number, since it uses as much as digits as its factorization.

57945889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3628800, while the sum is 55.

The square root of 57945889 is about 7612.2197156940. The cubic root of 57945889 is about 386.9672490184.

The spelling of 57945889 in words is "fifty-seven million, nine hundred forty-five thousand, eight hundred eighty-nine".