5568891 has 4 divisors (see below), whose sum is σ = 7425192. Its totient is φ = 3712592.

The previous prime is 5568859. The next prime is 5568917. The reversal of 5568891 is 1988655.

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 5568891 - 2⁵ = 5568859 is a prime.

It is an Ulam number.

It is a D-number.

5568891 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5568811) 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, 928146 + ... + 928151.

It is an arithmetic number, because the mean of its divisors is an integer number (1856298).

Almost surely, 2^5568891 is an apocalyptic number.

5568891 is the 1493-rd centered pentagonal number.

5568891 is a deficient number, since it is larger than the sum of its proper divisors (1856301).

5568891 is a wasteful number, since it uses less digits than its factorization.

5568891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1856300.

The product of its digits is 86400, while the sum is 42.

The square root of 5568891 is about 2359.8497833549. The cubic root of 5568891 is about 177.2513585384.

The spelling of 5568891 in words is "five million, five hundred sixty-eight thousand, eight hundred ninety-one".