5632545644 has 18 divisors (see below), whose sum is σ = 10834505052. Its totient is φ = 2560247800.

The previous prime is 5632545643. The next prime is 5632545673. The reversal of 5632545644 is 4465452365.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 5632545595 and 5632545604.

It is not an unprimeable number, because it can be changed into a prime (5632545641) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5818262 + ... + 5819229.

Almost surely, 2^5632545644 is an apocalyptic number.

It is an amenable number.

5632545644 is a deficient number, since it is larger than the sum of its proper divisors (5201959408).

5632545644 is a wasteful number, since it uses less digits than its factorization.

5632545644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11637517 (or 11637504 counting only the distinct ones).

The product of its digits is 1728000, while the sum is 44.

The square root of 5632545644 is about 75050.2874344929. The cubic root of 5632545644 is about 1779.2415280523.

The spelling of 5632545644 in words is "five billion, six hundred thirty-two million, five hundred forty-five thousand, six hundred forty-four".