5645531564 has 24 divisors (see below), whose sum is σ = 10469586960. Its totient is φ = 2654498816.

The previous prime is 5645531561. The next prime is 5645531597. The reversal of 5645531564 is 4651355465.

It is not an unprimeable number, because it can be changed into a prime (5645531561) 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, 48647 + ... + 116865.

It is an arithmetic number, because the mean of its divisors is an integer number (436232790).

Almost surely, 2^5645531564 is an apocalyptic number.

It is an amenable number.

5645531564 is a deficient number, since it is larger than the sum of its proper divisors (4824055396).

5645531564 is a wasteful number, since it uses less digits than its factorization.

5645531564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69457 (or 69455 counting only the distinct ones).

The product of its digits is 1080000, while the sum is 44.

The square root of 5645531564 is about 75136.7524185069. The cubic root of 5645531564 is about 1780.6078347476.

The spelling of 5645531564 in words is "five billion, six hundred forty-five million, five hundred thirty-one thousand, five hundred sixty-four".