5565779 has 4 divisors (see below), whose sum is σ = 5574240. Its totient is φ = 5557320.

The previous prime is 5565773. The next prime is 5565809. The reversal of 5565779 is 9775655.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9775655 = 5 ⋅1955131.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5565779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5565773) 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 3 ways as a sum of consecutive naturals, for example, 3152 + ... + 4589.

It is an arithmetic number, because the mean of its divisors is an integer number (1393560).

Almost surely, 2^5565779 is an apocalyptic number.

5565779 is a deficient number, since it is larger than the sum of its proper divisors (8461).

5565779 is an equidigital number, since it uses as much as digits as its factorization.

5565779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8460.

The product of its digits is 330750, while the sum is 44.

The square root of 5565779 is about 2359.1903272097. The cubic root of 5565779 is about 177.2183352662.

The spelling of 5565779 in words is "five million, five hundred sixty-five thousand, seven hundred seventy-nine".