5656579556 has 6 divisors (see below), whose sum is σ = 9899014230. Its totient is φ = 2828289776.

The previous prime is 5656579531. The next prime is 5656579559. The reversal of 5656579556 is 6559756565.

It can be written as a sum of positive squares in only one way, i.e., 5498222500 + 158357056 = 74150^2 + 12584^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5656579495 and 5656579504.

It is not an unprimeable number, because it can be changed into a prime (5656579559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 707072441 + ... + 707072448.

It is an arithmetic number, because the mean of its divisors is an integer number (1649835705).

Almost surely, 2^5656579556 is an apocalyptic number.

It is an amenable number.

5656579556 is a deficient number, since it is larger than the sum of its proper divisors (4242434674).

5656579556 is a wasteful number, since it uses less digits than its factorization.

5656579556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1414144893 (or 1414144891 counting only the distinct ones).

The product of its digits is 42525000, while the sum is 59.

The square root of 5656579556 is about 75210.2357129666. The cubic root of 5656579556 is about 1781.7685948044.

The spelling of 5656579556 in words is "five billion, six hundred fifty-six million, five hundred seventy-nine thousand, five hundred fifty-six".