5565566056 has 8 divisors (see below), whose sum is σ = 10435436370. Its totient is φ = 2782783024.

The previous prime is 5565566023. The next prime is 5565566099. The reversal of 5565566056 is 6506655655.

It can be written as a sum of positive squares in only one way, i.e., 5430216100 + 135349956 = 73690^2 + 11634^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 347847871 + ... + 347847886.

Almost surely, 2^5565566056 is an apocalyptic number.

It is an amenable number.

5565566056 is a deficient number, since it is larger than the sum of its proper divisors (4869870314).

5565566056 is a wasteful number, since it uses less digits than its factorization.

5565566056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695695763 (or 695695759 counting only the distinct ones).

The product of its (nonzero) digits is 4050000, while the sum is 49.

The square root of 5565566056 is about 74602.7215053178. The cubic root of 5565566056 is about 1772.1607514162.

The spelling of 5565566056 in words is "five billion, five hundred sixty-five million, five hundred sixty-six thousand, fifty-six".