56613336784 has 10 divisors (see below), whose sum is σ = 109688340050. Its totient is φ = 28306668384.

The previous prime is 56613336781. The next prime is 56613336809. The reversal of 56613336784 is 48763331665.

It can be written as a sum of positive squares in only one way, i.e., 32905960000 + 23707376784 = 181400^2 + 153972^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56613336781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1769166759 + ... + 1769166790.

It is an arithmetic number, because the mean of its divisors is an integer number (10968834005).

Almost surely, 2^56613336784 is an apocalyptic number.

It is an amenable number.

56613336784 is a deficient number, since it is larger than the sum of its proper divisors (53075003266).

56613336784 is a wasteful number, since it uses less digits than its factorization.

56613336784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3538333557 (or 3538333551 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 52.

The spelling of 56613336784 in words is "fifty-six billion, six hundred thirteen million, three hundred thirty-six thousand, seven hundred eighty-four".