5564405628 has 18 divisors (see below), whose sum is σ = 14065580984. Its totient is φ = 1854801864.

The previous prime is 5564405599. The next prime is 5564405629. The reversal of 5564405628 is 8265044655.

5564405628 is a `hidden beast` number, since 556 + 4 + 40 + 56 + 2 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5564405629) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 77283376 + ... + 77283447.

Almost surely, 2^5564405628 is an apocalyptic number.

It is an amenable number.

5564405628 is an abundant number, since it is smaller than the sum of its proper divisors (8501175356).

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

5564405628 is a wasteful number, since it uses less digits than its factorization.

5564405628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154566833 (or 154566828 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 45.

The square root of 5564405628 is about 74594.9437160455. The cubic root of 5564405628 is about 1772.0375768893.

The spelling of 5564405628 in words is "five billion, five hundred sixty-four million, four hundred five thousand, six hundred twenty-eight".