6550502805555 has 16 divisors (see below), whose sum is σ = 10481184739584. Its totient is φ = 3493474746080.

The previous prime is 6550502805547. The next prime is 6550502805577. The reversal of 6550502805555 is 5555082050556.

It is not a de Polignac number, because 6550502805555 - 2³ = 6550502805547 is a prime.

It is a super-2 number, since 2×6550502805555² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6550502805498 and 6550502805507.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7493919 + ... + 8322248.

It is an arithmetic number, because the mean of its divisors is an integer number (655074046224).

Almost surely, 2^{6550502805555} is an apocalyptic number.

6550502805555 is a deficient number, since it is larger than the sum of its proper divisors (3930681934029).

6550502805555 is a wasteful number, since it uses less digits than its factorization.

6550502805555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15843786.

The product of its (nonzero) digits is 7500000, while the sum is 51.

The spelling of 6550502805555 in words is "six trillion, five hundred fifty billion, five hundred two million, eight hundred five thousand, five hundred fifty-five".