5645889568 has 48 divisors (see below), whose sum is σ = 12237160320. Its totient is φ = 2542752000.

The previous prime is 5645889503. The next prime is 5645889583. The reversal of 5645889568 is 8659885465.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35208 + ... + 111943.

It is an arithmetic number, because the mean of its divisors is an integer number (254940840).

Almost surely, 2^5645889568 is an apocalyptic number.

It is an amenable number.

5645889568 is an abundant number, since it is smaller than the sum of its proper divisors (6591270752).

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

5645889568 is a wasteful number, since it uses less digits than its factorization.

5645889568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147281 (or 147273 counting only the distinct ones).

The product of its digits is 82944000, while the sum is 64.

The square root of 5645889568 is about 75139.1347301791. The cubic root of 5645889568 is about 1780.6454722576.

The spelling of 5645889568 in words is "five billion, six hundred forty-five million, eight hundred eighty-nine thousand, five hundred sixty-eight".