56168274571 has 4 divisors (see below), whose sum is σ = 56170799944. Its totient is φ = 56165749200.

The previous prime is 56168274557. The next prime is 56168274577. The reversal of 56168274571 is 17547286165.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17547286165 = 5 ⋅3509457233.

It is a cyclic number.

It is not a de Polignac number, because 56168274571 - 2⁹ = 56168274059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56168274577) 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, 1229025 + ... + 1273906.

It is an arithmetic number, because the mean of its divisors is an integer number (14042699986).

Almost surely, 2^56168274571 is an apocalyptic number.

56168274571 is a deficient number, since it is larger than the sum of its proper divisors (2525373).

56168274571 is a wasteful number, since it uses less digits than its factorization.

56168274571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2525372.

The product of its digits is 2822400, while the sum is 52.

The spelling of 56168274571 in words is "fifty-six billion, one hundred sixty-eight million, two hundred seventy-four thousand, five hundred seventy-one".