5605511556 has 24 divisors (see below), whose sum is σ = 13767923680. Its totient is φ = 1770161472.

The previous prime is 5605511501. The next prime is 5605511599. The reversal of 5605511556 is 6551155065.

It is a super-2 number, since 2×5605511556² = 62843519608899082272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12292561 + ... + 12293016.

Almost surely, 2^5605511556 is an apocalyptic number.

It is an amenable number.

5605511556 is an abundant number, since it is smaller than the sum of its proper divisors (8162412124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5605511556 is a wasteful number, since it uses less digits than its factorization.

5605511556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24585603 (or 24585601 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 39.

The square root of 5605511556 is about 74869.9643114647. The cubic root of 5605511556 is about 1776.3903996786.

The spelling of 5605511556 in words is "five billion, six hundred five million, five hundred eleven thousand, five hundred fifty-six".