5565634428 has 12 divisors (see below), whose sum is σ = 12986480360. Its totient is φ = 1855211472.

The previous prime is 5565634427. The next prime is 5565634439. The reversal of 5565634428 is 8244365655.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×5565634428² = 61952573172277774368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5565634427) 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, 231901423 + ... + 231901446.

Almost surely, 2^5565634428 is an apocalyptic number.

It is an amenable number.

5565634428 is an abundant number, since it is smaller than the sum of its proper divisors (7420845932).

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

5565634428 is a wasteful number, since it uses less digits than its factorization.

5565634428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463802876 (or 463802874 counting only the distinct ones).

The product of its digits is 3456000, while the sum is 48.

The square root of 5565634428 is about 74603.1797445658. The cubic root of 5565634428 is about 1772.1680082809.

The spelling of 5565634428 in words is "five billion, five hundred sixty-five million, six hundred thirty-four thousand, four hundred twenty-eight".