5566055665 has 16 divisors (see below), whose sum is σ = 6844533696. Its totient is φ = 4342968000.

The previous prime is 5566055653. The next prime is 5566055687. The reversal of 5566055665 is 5665506655.

It is not a de Polignac number, because 5566055665 - 2⁵ = 5566055633 is a prime.

It is a Duffinian 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, 132250 + ... + 169180.

It is an arithmetic number, because the mean of its divisors is an integer number (427783356).

Almost surely, 2^5566055665 is an apocalyptic number.

It is an amenable number.

5566055665 is a deficient number, since it is larger than the sum of its proper divisors (1278478031).

5566055665 is a wasteful number, since it uses less digits than its factorization.

5566055665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37680.

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

The square root of 5566055665 is about 74606.0028751038. The cubic root of 5566055665 is about 1772.2127162061.

The spelling of 5566055665 in words is "five billion, five hundred sixty-six million, fifty-five thousand, six hundred sixty-five".