57240199 has 2 divisors, whose sum is σ = 57240200. Its totient is φ = 57240198.

The previous prime is 57240193. The next prime is 57240233. The reversal of 57240199 is 99104275.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57240199 - 2³ = 57240191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57240191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28620099 + 28620100.

It is an arithmetic number, because the mean of its divisors is an integer number (28620100).

Almost surely, 2^57240199 is an apocalyptic number.

57240199 is a deficient number, since it is larger than the sum of its proper divisors (1).

57240199 is an equidigital number, since it uses as much as digits as its factorization.

57240199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 57240199 is about 7565.7252791785. The cubic root of 57240199 is about 385.3899439270.

The spelling of 57240199 in words is "fifty-seven million, two hundred forty thousand, one hundred ninety-nine".