56065724677 has 4 divisors (see below), whose sum is σ = 56076386796. Its totient is φ = 56055062560.

The previous prime is 56065724641. The next prime is 56065724699. The reversal of 56065724677 is 77642756065.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23879211841 + 32186512836 = 154529^2 + 179406^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56065724677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56065724977) 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, 5323168 + ... + 5333689.

It is an arithmetic number, because the mean of its divisors is an integer number (14019096699).

Almost surely, 2^56065724677 is an apocalyptic number.

It is an amenable number.

56065724677 is a deficient number, since it is larger than the sum of its proper divisors (10662119).

56065724677 is a wasteful number, since it uses less digits than its factorization.

56065724677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10662118.

The product of its (nonzero) digits is 14817600, while the sum is 55.

The spelling of 56065724677 in words is "fifty-six billion, sixty-five million, seven hundred twenty-four thousand, six hundred seventy-seven".