65566050000055 has 32 divisors (see below), whose sum is σ = 90351425917440. Its totient is φ = 45173676516480.

The previous prime is 65566050000043. The next prime is 65566050000181. The reversal of 65566050000055 is 55000005066556.

It is not a de Polignac number, because 65566050000055 - 2⁷ = 65566049999927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65566049999966 and 65566050000020.

It is a congruent 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, 47232214 + ... + 48600556.

It is an arithmetic number, because the mean of its divisors is an integer number (2823482059920).

Almost surely, 2^{65566050000055} is an apocalyptic number.

65566050000055 is a deficient number, since it is larger than the sum of its proper divisors (24785375917385).

65566050000055 is a wasteful number, since it uses less digits than its factorization.

65566050000055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1414231.

The product of its (nonzero) digits is 675000, while the sum is 43.

The spelling of 65566050000055 in words is "sixty-five trillion, five hundred sixty-six billion, fifty million, fifty-five", and thus it is an aban number.