5623504644 has 48 divisors (see below), whose sum is σ = 13638598848. Its totient is φ = 1801853568.

The previous prime is 5623504643. The next prime is 5623504693. The reversal of 5623504644 is 4464053265.

It is not an unprimeable number, because it can be changed into a prime (5623504643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39447 + ... + 113150.

It is an arithmetic number, because the mean of its divisors is an integer number (284137476).

Almost surely, 2^5623504644 is an apocalyptic number.

It is an amenable number.

5623504644 is an abundant number, since it is smaller than the sum of its proper divisors (8015094204).

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

5623504644 is a wasteful number, since it uses less digits than its factorization.

5623504644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152724 (or 152722 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 39.

The square root of 5623504644 is about 74990.0302973669. The cubic root of 5623504644 is about 1778.2890435596.

The spelling of 5623504644 in words is "five billion, six hundred twenty-three million, five hundred four thousand, six hundred forty-four".