56027997171 has 24 divisors (see below), whose sum is σ = 85064447520. Its totient is φ = 35467191936.

The previous prime is 56027997127. The next prime is 56027997271. The reversal of 56027997171 is 17179972065.

It is a happy number.

56027997171 is a `hidden beast` number, since 560 + 2 + 7 + 9 + 9 + 7 + 1 + 71 = 666.

It is not a de Polignac number, because 56027997171 - 2²⁵ = 55994442739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56027997101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 959476 + ... + 1016193.

It is an arithmetic number, because the mean of its divisors is an integer number (3544351980).

Almost surely, 2^56027997171 is an apocalyptic number.

56027997171 is a deficient number, since it is larger than the sum of its proper divisors (29036450349).

56027997171 is a wasteful number, since it uses less digits than its factorization.

56027997171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1975835 (or 1975832 counting only the distinct ones).

The product of its (nonzero) digits is 1666980, while the sum is 54.

The spelling of 56027997171 in words is "fifty-six billion, twenty-seven million, nine hundred ninety-seven thousand, one hundred seventy-one".