57365863 has 2 divisors, whose sum is σ = 57365864. Its totient is φ = 57365862.

The previous prime is 57365849. The next prime is 57365909. The reversal of 57365863 is 36856375.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57365863 - 2²¹ = 55268711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57365263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28682931 + 28682932.

It is an arithmetic number, because the mean of its divisors is an integer number (28682932).

Almost surely, 2^57365863 is an apocalyptic number.

57365863 is a deficient number, since it is larger than the sum of its proper divisors (1).

57365863 is an equidigital number, since it uses as much as digits as its factorization.

57365863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 453600, while the sum is 43.

The square root of 57365863 is about 7574.0255478840. The cubic root of 57365863 is about 385.6717636121.

The spelling of 57365863 in words is "fifty-seven million, three hundred sixty-five thousand, eight hundred sixty-three".