56717273771 has 8 divisors (see below), whose sum is σ = 57645704160. Its totient is φ = 55795313728.

The previous prime is 56717273761. The next prime is 56717273779. The reversal of 56717273771 is 17737271765.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56717273771 - 2¹⁰ = 56717272747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56717273779) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1599911 + ... + 1634976.

It is an arithmetic number, because the mean of its divisors is an integer number (7205713020).

Almost surely, 2^56717273771 is an apocalyptic number.

56717273771 is a deficient number, since it is larger than the sum of its proper divisors (928430389).

56717273771 is a wasteful number, since it uses less digits than its factorization.

56717273771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3235173.

The product of its digits is 3025260, while the sum is 53.

The spelling of 56717273771 in words is "fifty-six billion, seven hundred seventeen million, two hundred seventy-three thousand, seven hundred seventy-one".