5531644272 has 80 divisors (see below), whose sum is σ = 17816216832. Its totient is φ = 1436789760.

The previous prime is 5531644243. The next prime is 5531644301. The reversal of 5531644272 is 2724461355.

It is an interprime number because it is at equal distance from previous prime (5531644243) and next prime (5531644301).

It is a self number, because there is not a number n which added to its sum of digits gives 5531644272.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 744633 + ... + 752024.

Almost surely, 2^5531644272 is an apocalyptic number.

It is an amenable number.

5531644272 is an abundant number, since it is smaller than the sum of its proper divisors (12284572560).

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

5531644272 is a wasteful number, since it uses less digits than its factorization.

5531644272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1496686 (or 1496680 counting only the distinct ones).

The product of its digits is 201600, while the sum is 39.

The square root of 5531644272 is about 74375.0245176430. The cubic root of 5531644272 is about 1768.5530080786.

The spelling of 5531644272 in words is "five billion, five hundred thirty-one million, six hundred forty-four thousand, two hundred seventy-two".