57386893 has 2 divisors, whose sum is σ = 57386894. Its totient is φ = 57386892.

The previous prime is 57386891. The next prime is 57386899. The reversal of 57386893 is 39868375.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35736484 + 21650409 = 5978^2 + 4653^2 .

It is a cyclic number.

It is not a de Polignac number, because 57386893 - 2¹ = 57386891 is a prime.

Together with 57386891, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57386891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28693446 + 28693447.

It is an arithmetic number, because the mean of its divisors is an integer number (28693447).

Almost surely, 2^57386893 is an apocalyptic number.

It is an amenable number.

57386893 is a deficient number, since it is larger than the sum of its proper divisors (1).

57386893 is an equidigital number, since it uses as much as digits as its factorization.

57386893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1088640, while the sum is 49.

The square root of 57386893 is about 7575.4137180751. The cubic root of 57386893 is about 385.7188862146.

The spelling of 57386893 in words is "fifty-seven million, three hundred eighty-six thousand, eight hundred ninety-three".