57422171 has 4 divisors (see below), whose sum is σ = 57484392. Its totient is φ = 57359952.

The previous prime is 57422159. The next prime is 57422179. The reversal of 57422171 is 17122475.

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-57422171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57422179) 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, 29705 + ... + 31578.

It is an arithmetic number, because the mean of its divisors is an integer number (14371098).

Almost surely, 2^57422171 is an apocalyptic number.

57422171 is a deficient number, since it is larger than the sum of its proper divisors (62221).

57422171 is an equidigital number, since it uses as much as digits as its factorization.

57422171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62220.

The product of its digits is 3920, while the sum is 29.

The square root of 57422171 is about 7577.7418140235. The cubic root of 57422171 is about 385.7979089251.

The spelling of 57422171 in words is "fifty-seven million, four hundred twenty-two thousand, one hundred seventy-one".