5644516556 has 12 divisors (see below), whose sum is σ = 11289033168. Its totient is φ = 2419078512.

The previous prime is 5644516541. The next prime is 5644516597. The reversal of 5644516556 is 6556154465.

5644516556 is an admirable number.

It is a super-2 number, since 2×5644516556² = 63721134301916202272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5644516556.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100794911 + ... + 100794966.

It is an arithmetic number, because the mean of its divisors is an integer number (940752764).

Almost surely, 2^5644516556 is an apocalyptic number.

It is an amenable number.

5644516556 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

5644516556 is a wasteful number, since it uses less digits than its factorization.

5644516556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201589888 (or 201589886 counting only the distinct ones).

The product of its digits is 2160000, while the sum is 47.

The square root of 5644516556 is about 75129.9977106349. The cubic root of 5644516556 is about 1780.5011167471.

The spelling of 5644516556 in words is "five billion, six hundred forty-four million, five hundred sixteen thousand, five hundred fifty-six".