56616983759 has 8 divisors (see below), whose sum is σ = 64722168960. Its totient is φ = 48516059736.

The previous prime is 56616983749. The next prime is 56616983777. The reversal of 56616983759 is 95738961665.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56616983759 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56616983695 and 56616983704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56616983729) 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, 1036769 + ... + 1090010.

It is an arithmetic number, because the mean of its divisors is an integer number (8090271120).

Almost surely, 2^56616983759 is an apocalyptic number.

56616983759 is a deficient number, since it is larger than the sum of its proper divisors (8105185201).

56616983759 is a wasteful number, since it uses less digits than its factorization.

56616983759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2130589.

The product of its digits is 73483200, while the sum is 65.

The spelling of 56616983759 in words is "fifty-six billion, six hundred sixteen million, nine hundred eighty-three thousand, seven hundred fifty-nine".