57199523 has 2 divisors, whose sum is σ = 57199524. Its totient is φ = 57199522.

The previous prime is 57199511. The next prime is 57199531. The reversal of 57199523 is 32599175.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57199523 - 2⁴ = 57199507 is a prime.

It is not a weakly prime, because it can be changed into another prime (57199553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28599761 + 28599762.

It is an arithmetic number, because the mean of its divisors is an integer number (28599762).

Almost surely, 2^57199523 is an apocalyptic number.

57199523 is a deficient number, since it is larger than the sum of its proper divisors (1).

57199523 is an equidigital number, since it uses as much as digits as its factorization.

57199523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 85050, while the sum is 41.

The square root of 57199523 is about 7563.0366255890. The cubic root of 57199523 is about 385.2986337618.

It can be divided in two parts, 571995 and 23, that multiplied together give a triangular number (13155885 = T₅₁₂₉).

The spelling of 57199523 in words is "fifty-seven million, one hundred ninety-nine thousand, five hundred twenty-three".