5542635664 has 20 divisors (see below), whose sum is σ = 11370554604. Its totient is φ = 2608299008.

The previous prime is 5542635617. The next prime is 5542635667. The reversal of 5542635664 is 4665362455.

It can be written as a sum of positive squares in 2 ways, for example, as 4990009600 + 552626064 = 70640^2 + 23508^2 .

It is not an unprimeable number, because it can be changed into a prime (5542635667) 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, 10188397 + ... + 10188940.

Almost surely, 2^5542635664 is an apocalyptic number.

It is an amenable number.

5542635664 is an abundant number, since it is smaller than the sum of its proper divisors (5827918940).

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

5542635664 is a wasteful number, since it uses less digits than its factorization.

5542635664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20377362 (or 20377356 counting only the distinct ones).

The product of its digits is 2592000, while the sum is 46.

The square root of 5542635664 is about 74448.8795348862. The cubic root of 5542635664 is about 1769.7236062830.

The spelling of 5542635664 in words is "five billion, five hundred forty-two million, six hundred thirty-five thousand, six hundred sixty-four".