57394199 has 4 divisors (see below), whose sum is σ = 58202640. Its totient is φ = 56585760.

The previous prime is 57394171. The next prime is 57394213. The reversal of 57394199 is 99149375.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57394199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57393199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 404114 + ... + 404255.

It is an arithmetic number, because the mean of its divisors is an integer number (14550660).

Almost surely, 2^57394199 is an apocalyptic number.

57394199 is a deficient number, since it is larger than the sum of its proper divisors (808441).

57394199 is an equidigital number, since it uses as much as digits as its factorization.

57394199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808440.

The product of its digits is 306180, while the sum is 47.

The square root of 57394199 is about 7575.8959206156. The cubic root of 57394199 is about 385.7352543111.

The spelling of 57394199 in words is "fifty-seven million, three hundred ninety-four thousand, one hundred ninety-nine".