57115859 has 2 divisors, whose sum is σ = 57115860. Its totient is φ = 57115858.

The previous prime is 57115813. The next prime is 57115867. The reversal of 57115859 is 95851175.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57115859 - 2²⁰ = 56067283 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (57115559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28557929 + 28557930.

It is an arithmetic number, because the mean of its divisors is an integer number (28557930).

Almost surely, 2^57115859 is an apocalyptic number.

57115859 is a deficient number, since it is larger than the sum of its proper divisors (1).

57115859 is an equidigital number, since it uses as much as digits as its factorization.

57115859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 63000, while the sum is 41.

The square root of 57115859 is about 7557.5034899099. The cubic root of 57115859 is about 385.1106872389.

The spelling of 57115859 in words is "fifty-seven million, one hundred fifteen thousand, eight hundred fifty-nine".