5566566505 has 32 divisors (see below), whose sum is σ = 6946258176. Its totient is φ = 4279613184.

The previous prime is 5566566497. The next prime is 5566566517. The reversal of 5566566505 is 5056656655.

It is not a de Polignac number, because 5566566505 - 2³ = 5566566497 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3830359 + ... + 3831811.

It is an arithmetic number, because the mean of its divisors is an integer number (217070568).

Almost surely, 2^5566566505 is an apocalyptic number.

It is an amenable number.

5566566505 is a deficient number, since it is larger than the sum of its proper divisors (1379691671).

5566566505 is a wasteful number, since it uses less digits than its factorization.

5566566505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1777.

The product of its (nonzero) digits is 4050000, while the sum is 49.

The square root of 5566566505 is about 74609.4263816577. The cubic root of 5566566505 is about 1772.2669311058.

It can be divided in two parts, 556656650 and 5, that added together give a palindrome (556656655).

The spelling of 5566566505 in words is "five billion, five hundred sixty-six million, five hundred sixty-six thousand, five hundred five".