5568669 has 10 divisors (see below), whose sum is σ = 8318750. Its totient is φ = 3712392.

The previous prime is 5568649. The next prime is 5568677. The reversal of 5568669 is 9668655.

It can be written as a sum of positive squares in only one way, i.e., 3572100 + 1996569 = 1890^2 + 1413^2 .

It is not a de Polignac number, because 5568669 - 2⁵ = 5568637 is a prime.

It is a super-2 number, since 2×5568669² = 62020148863122, which contains 22 as substring.

It is a Duffinian number.

5568669 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5568649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 34294 + ... + 34455.

It is an arithmetic number, because the mean of its divisors is an integer number (831875).

Almost surely, 2^5568669 is an apocalyptic number.

It is an amenable number.

5568669 is a deficient number, since it is larger than the sum of its proper divisors (2750081).

5568669 is an equidigital number, since it uses as much as digits as its factorization.

5568669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68761 (or 68752 counting only the distinct ones).

The product of its digits is 388800, while the sum is 45.

The square root of 5568669 is about 2359.8027459938. The cubic root of 5568669 is about 177.2490031727.

It can be divided in two parts, 55686 and 69, that added together give a palindrome (55755).

The spelling of 5568669 in words is "five million, five hundred sixty-eight thousand, six hundred sixty-nine".