56297761171 has 2 divisors, whose sum is σ = 56297761172. Its totient is φ = 56297761170.

The previous prime is 56297761139. The next prime is 56297761183. The reversal of 56297761171 is 17116779265.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56297761171 - 2⁵ = 56297761139 is a prime.

It is not a weakly prime, because it can be changed into another prime (56297768171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28148880585 + 28148880586.

It is an arithmetic number, because the mean of its divisors is an integer number (28148880586).

Almost surely, 2^56297761171 is an apocalyptic number.

56297761171 is a deficient number, since it is larger than the sum of its proper divisors (1).

56297761171 is an equidigital number, since it uses as much as digits as its factorization.

56297761171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1111320, while the sum is 52.

The spelling of 56297761171 in words is "fifty-six billion, two hundred ninety-seven million, seven hundred sixty-one thousand, one hundred seventy-one".