5566789855 has 16 divisors (see below), whose sum is σ = 7332153984. Its totient is φ = 4023730080.

The previous prime is 5566789819. The next prime is 5566789871. The reversal of 5566789855 is 5589876655.

It is not a de Polignac number, because 5566789855 - 2¹⁵ = 5566757087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 301509 + ... + 319438.

It is an arithmetic number, because the mean of its divisors is an integer number (458259624).

Almost surely, 2^5566789855 is an apocalyptic number.

5566789855 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5566789855 is a deficient number, since it is larger than the sum of its proper divisors (1765364129).

5566789855 is a wasteful number, since it uses less digits than its factorization.

5566789855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621126.

The product of its digits is 90720000, while the sum is 64.

The square root of 5566789855 is about 74610.9231614246. The cubic root of 5566789855 is about 1772.2906339590.

The spelling of 5566789855 in words is "five billion, five hundred sixty-six million, seven hundred eighty-nine thousand, eight hundred fifty-five".