6550500551565 has 16 divisors (see below), whose sum is σ = 10496704996800. Its totient is φ = 3488298922752.

The previous prime is 6550500551557. The next prime is 6550500551591. The reversal of 6550500551565 is 5651550050556.

It is not a de Polignac number, because 6550500551565 - 2³ = 6550500551557 is a prime.

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, 331325500 + ... + 331345269.

It is an arithmetic number, because the mean of its divisors is an integer number (656044062300).

Almost surely, 2^{6550500551565} is an apocalyptic number.

It is an amenable number.

6550500551565 is a deficient number, since it is larger than the sum of its proper divisors (3946204445235).

6550500551565 is a wasteful number, since it uses less digits than its factorization.

6550500551565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662671436.

The product of its (nonzero) digits is 2812500, while the sum is 48.

The spelling of 6550500551565 in words is "six trillion, five hundred fifty billion, five hundred million, five hundred fifty-one thousand, five hundred sixty-five".