6550505500065 has 32 divisors (see below), whose sum is σ = 11097486207360. Its totient is φ = 3288049695744.

The previous prime is 6550505500051. The next prime is 6550505500081. The reversal of 6550505500065 is 5600055050556.

It is not a de Polignac number, because 6550505500065 - 2⁸ = 6550505499809 is a prime.

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, 23655631 + ... + 23930939.

It is an arithmetic number, because the mean of its divisors is an integer number (346796443980).

Almost surely, 2^{6550505500065} is an apocalyptic number.

It is an amenable number.

6550505500065 is a deficient number, since it is larger than the sum of its proper divisors (4546980707295).

6550505500065 is a wasteful number, since it uses less digits than its factorization.

6550505500065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368641.

The product of its (nonzero) digits is 562500, while the sum is 42.

The spelling of 6550505500065 in words is "six trillion, five hundred fifty billion, five hundred five million, five hundred thousand, sixty-five".