5531644455 has 32 divisors (see below), whose sum is σ = 8888279040. Its totient is φ = 2937696000.

The previous prime is 5531644453. The next prime is 5531644471. The reversal of 5531644455 is 5544461355.

It is not a de Polignac number, because 5531644455 - 2¹ = 5531644453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5531644451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6409354 + ... + 6410216.

It is an arithmetic number, because the mean of its divisors is an integer number (277758720).

Almost surely, 2^5531644455 is an apocalyptic number.

5531644455 is a deficient number, since it is larger than the sum of its proper divisors (3356634585).

5531644455 is a wasteful number, since it uses less digits than its factorization.

5531644455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2191.

The product of its digits is 720000, while the sum is 42.

The square root of 5531644455 is about 74375.0257478947. The cubic root of 5531644455 is about 1768.5530275812.

The spelling of 5531644455 in words is "five billion, five hundred thirty-one million, six hundred forty-four thousand, four hundred fifty-five".