5565563 has 4 divisors (see below), whose sum is σ = 5807568. Its totient is φ = 5323560.

The previous prime is 5565551. The next prime is 5565607. The reversal of 5565563 is 3655655.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5565563 - 2¹⁰ = 5564539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5565163) 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, 120968 + ... + 121013.

It is an arithmetic number, because the mean of its divisors is an integer number (1451892).

Almost surely, 2^5565563 is an apocalyptic number.

5565563 is a deficient number, since it is larger than the sum of its proper divisors (242005).

5565563 is a wasteful number, since it uses less digits than its factorization.

5565563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242004.

The product of its digits is 67500, while the sum is 35.

The square root of 5565563 is about 2359.1445483480. The cubic root of 5565563 is about 177.2160427057.

The spelling of 5565563 in words is "five million, five hundred sixty-five thousand, five hundred sixty-three".