56982760491 has 8 divisors (see below), whose sum is σ = 75978116560. Its totient is φ = 37987955712.

The previous prime is 56982760451. The next prime is 56982760561. The reversal of 56982760491 is 19406728965.

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

It is not a de Polignac number, because 56982760491 - 2¹⁸ = 56982498347 is a prime.

It is a super-2 number, since 2×56982760491² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56982760451) 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, 342411 + ... + 480843.

It is an arithmetic number, because the mean of its divisors is an integer number (9497264570).

Almost surely, 2^56982760491 is an apocalyptic number.

56982760491 is a deficient number, since it is larger than the sum of its proper divisors (18995356069).

56982760491 is a wasteful number, since it uses less digits than its factorization.

56982760491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275645.

The product of its (nonzero) digits is 6531840, while the sum is 57.

The spelling of 56982760491 in words is "fifty-six billion, nine hundred eighty-two million, seven hundred sixty thousand, four hundred ninety-one".