57894689 has 2 divisors, whose sum is σ = 57894690. Its totient is φ = 57894688.

The previous prime is 57894667. The next prime is 57894713. The reversal of 57894689 is 98649875.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57760000 + 134689 = 7600^2 + 367^2 .

It is a cyclic number.

It is not a de Polignac number, because 57894689 - 2⁸ = 57894433 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (57894619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28947344 + 28947345.

It is an arithmetic number, because the mean of its divisors is an integer number (28947345).

Almost surely, 2^57894689 is an apocalyptic number.

It is an amenable number.

57894689 is a deficient number, since it is larger than the sum of its proper divisors (1).

57894689 is an equidigital number, since it uses as much as digits as its factorization.

57894689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4354560, while the sum is 56.

The square root of 57894689 is about 7608.8559586839. The cubic root of 57894689 is about 386.8532428784.

The spelling of 57894689 in words is "fifty-seven million, eight hundred ninety-four thousand, six hundred eighty-nine".