5566789 has 4 divisors (see below), whose sum is σ = 5604300. Its totient is φ = 5529280.

The previous prime is 5566787. The next prime is 5566801. The reversal of 5566789 is 9876655.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2125764 + 3441025 = 1458^2 + 1855^2 .

It is a cyclic number.

It is not a de Polignac number, because 5566789 - 2¹ = 5566787 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5566783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18532 + ... + 18829.

It is an arithmetic number, because the mean of its divisors is an integer number (1401075).

Almost surely, 2^5566789 is an apocalyptic number.

It is an amenable number.

5566789 is a deficient number, since it is larger than the sum of its proper divisors (37511).

5566789 is a wasteful number, since it uses less digits than its factorization.

5566789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37510.

The product of its digits is 453600, while the sum is 46.

The square root of 5566789 is about 2359.4043739893. The cubic root of 5566789 is about 177.2290543224.

The spelling of 5566789 in words is "five million, five hundred sixty-six thousand, seven hundred eighty-nine".