57839489 has 2 divisors, whose sum is σ = 57839490. Its totient is φ = 57839488.

The previous prime is 57839471. The next prime is 57839501. The reversal of 57839489 is 98493875.

57839489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40132225 + 17707264 = 6335^2 + 4208^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57839489 is a prime.

It is a super-2 number, since 2×57839489² = 6690812975562242, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57839489.

It is not a weakly prime, because it can be changed into another prime (57839189) 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, 28919744 + 28919745.

It is an arithmetic number, because the mean of its divisors is an integer number (28919745).

Almost surely, 2^57839489 is an apocalyptic number.

It is an amenable number.

57839489 is a deficient number, since it is larger than the sum of its proper divisors (1).

57839489 is an equidigital number, since it uses as much as digits as its factorization.

57839489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2177280, while the sum is 53.

The square root of 57839489 is about 7605.2277414947. The cubic root of 57839489 is about 386.7302546863.

The spelling of 57839489 in words is "fifty-seven million, eight hundred thirty-nine thousand, four hundred eighty-nine".