5644533136 has 20 divisors (see below), whose sum is σ = 11930490864. Its totient is φ = 2565696800.

The previous prime is 5644533131. The next prime is 5644533143. The reversal of 5644533136 is 6313354465.

It is not an unprimeable number, because it can be changed into a prime (5644533131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16035430 + ... + 16035781.

Almost surely, 2^5644533136 is an apocalyptic number.

It is an amenable number.

5644533136 is an abundant number, since it is smaller than the sum of its proper divisors (6285957728).

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

5644533136 is a wasteful number, since it uses less digits than its factorization.

5644533136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32071230 (or 32071224 counting only the distinct ones).

The product of its digits is 388800, while the sum is 40.

The square root of 5644533136 is about 75130.1080526309. The cubic root of 5644533136 is about 1780.5028600720.

The spelling of 5644533136 in words is "five billion, six hundred forty-four million, five hundred thirty-three thousand, one hundred thirty-six".