5643552231 has 8 divisors (see below), whose sum is σ = 8360818160. Its totient is φ = 3762368136.

The previous prime is 5643552209. The next prime is 5643552259. The reversal of 5643552231 is 1322553465.

5643552231 is a `hidden beast` number, since 5 + 643 + 5 + 5 + 2 + 2 + 3 + 1 = 666.

It is not a de Polignac number, because 5643552231 - 2⁵ = 5643552199 is a prime.

It is a super-2 number, since 2×5643552231² = 63699363568050154722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5643552331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104510200 + ... + 104510253.

It is an arithmetic number, because the mean of its divisors is an integer number (1045102270).

Almost surely, 2^5643552231 is an apocalyptic number.

5643552231 is a deficient number, since it is larger than the sum of its proper divisors (2717265929).

5643552231 is a wasteful number, since it uses less digits than its factorization.

5643552231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209020462 (or 209020456 counting only the distinct ones).

The product of its digits is 108000, while the sum is 36.

The square root of 5643552231 is about 75123.5797270072. The cubic root of 5643552231 is about 1780.3997157083.

The spelling of 5643552231 in words is "five billion, six hundred forty-three million, five hundred fifty-two thousand, two hundred thirty-one".