56164571 has 2 divisors, whose sum is σ = 56164572. Its totient is φ = 56164570.

The previous prime is 56164541. The next prime is 56164609. The reversal of 56164571 is 17546165.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56164571 - 2¹⁴ = 56148187 is a prime.

It is a super-2 number, since 2×56164571² = 6308918071228082, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (56164531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28082285 + 28082286.

It is an arithmetic number, because the mean of its divisors is an integer number (28082286).

Almost surely, 2^56164571 is an apocalyptic number.

56164571 is a deficient number, since it is larger than the sum of its proper divisors (1).

56164571 is an equidigital number, since it uses as much as digits as its factorization.

56164571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25200, while the sum is 35.

The square root of 56164571 is about 7494.3025692856. The cubic root of 56164571 is about 382.9606474030.

The spelling of 56164571 in words is "fifty-six million, one hundred sixty-four thousand, five hundred seventy-one".