565000000055 has 16 divisors (see below), whose sum is σ = 698186384544. Its totient is φ = 438676318080.

The previous prime is 565000000031. The next prime is 565000000073. The reversal of 565000000055 is 550000000565.

It is not a de Polignac number, because 565000000055 - 2²⁸ = 564731564599 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 564999999970 and 565000000033.

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, 8335376 + ... + 8402885.

It is an arithmetic number, because the mean of its divisors is an integer number (43636649034).

Almost surely, 2^565000000055 is an apocalyptic number.

565000000055 is a deficient number, since it is larger than the sum of its proper divisors (133186384489).

565000000055 is a wasteful number, since it uses less digits than its factorization.

565000000055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16738466.

The product of its (nonzero) digits is 3750, while the sum is 26.

The spelling of 565000000055 in words is "five hundred sixty-five billion, fifty-five", and thus it is an aban number.