56574259171 has 2 divisors, whose sum is σ = 56574259172. Its totient is φ = 56574259170.

The previous prime is 56574259163. The next prime is 56574259219. The reversal of 56574259171 is 17195247565.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56574259171 - 2³ = 56574259163 is a prime.

It is not a weakly prime, because it can be changed into another prime (56574259271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28287129585 + 28287129586.

It is an arithmetic number, because the mean of its divisors is an integer number (28287129586).

Almost surely, 2^56574259171 is an apocalyptic number.

56574259171 is a deficient number, since it is larger than the sum of its proper divisors (1).

56574259171 is an equidigital number, since it uses as much as digits as its factorization.

56574259171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2646000, while the sum is 52.

The spelling of 56574259171 in words is "fifty-six billion, five hundred seventy-four million, two hundred fifty-nine thousand, one hundred seventy-one".