5564556 has 18 divisors (see below), whose sum is σ = 14066052. Its totient is φ = 1854840.

The previous prime is 5564539. The next prime is 5564563. The reversal of 5564556 is 6554655.

It is a happy number.

5564556 is a `hidden beast` number, since 5 + 5 + 645 + 5 + 6 = 666.

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

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 154571 = 5564556 / (5 + 5 + 6 + 4 + 5 + 5 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 5564556.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 77250 + ... + 77321.

Almost surely, 2^5564556 is an apocalyptic number.

It is an amenable number.

5564556 is an abundant number, since it is smaller than the sum of its proper divisors (8501496).

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

5564556 is a wasteful number, since it uses less digits than its factorization.

5564556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154581 (or 154576 counting only the distinct ones).

The product of its digits is 90000, while the sum is 36.

The square root of 5564556 is about 2358.9311138734. The cubic root of 5564556 is about 177.2053539207.

Subtracting 5564556 from its reverse (6554655), we obtain a palindrome (990099).

The spelling of 5564556 in words is "five million, five hundred sixty-four thousand, five hundred fifty-six".