5565904728 has 16 divisors (see below), whose sum is σ = 13914761880. Its totient is φ = 1855301568.

The previous prime is 5565904723. The next prime is 5565904739. The reversal of 5565904728 is 8274095655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5565904723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115956325 + ... + 115956372.

Almost surely, 2^5565904728 is an apocalyptic number.

It is an amenable number.

5565904728 is an abundant number, since it is smaller than the sum of its proper divisors (8348857152).

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

5565904728 is a wasteful number, since it uses less digits than its factorization.

5565904728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231912706 (or 231912702 counting only the distinct ones).

The product of its (nonzero) digits is 3024000, while the sum is 51.

The square root of 5565904728 is about 74604.9913075526. The cubic root of 5565904728 is about 1772.1966967898.

The spelling of 5565904728 in words is "five billion, five hundred sixty-five million, nine hundred four thousand, seven hundred twenty-eight".