5566889 has 4 divisors (see below), whose sum is σ = 5619024. Its totient is φ = 5514756.

The previous prime is 5566879. The next prime is 5566901. The reversal of 5566889 is 9886655.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5566889 - 2¹² = 5562793 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (5566849) 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, 25907 + ... + 26120.

It is an arithmetic number, because the mean of its divisors is an integer number (1404756).

Almost surely, 2^5566889 is an apocalyptic number.

It is an amenable number.

5566889 is a deficient number, since it is larger than the sum of its proper divisors (52135).

5566889 is a wasteful number, since it uses less digits than its factorization.

5566889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52134.

The product of its digits is 518400, while the sum is 47.

The square root of 5566889 is about 2359.4255656833. The cubic root of 5566889 is about 177.2301155445.

The spelling of 5566889 in words is "five million, five hundred sixty-six thousand, eight hundred eighty-nine".