6550506555100 has 72 divisors (see below), whose sum is σ = 14963480470400. Its totient is φ = 2482173720000.

The previous prime is 6550506555079. The next prime is 6550506555101. The reversal of 6550506555100 is 15556050556.

It is a super-2 number, since 2×6550506555100² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6550506555101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44102761 + ... + 44251039.

Almost surely, 2^{6550506555100} is an apocalyptic number.

It is an amenable number.

6550506555100 is an abundant number, since it is smaller than the sum of its proper divisors (8412973915300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6550506555100 is a wasteful number, since it uses less digits than its factorization.

6550506555100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171563 (or 171556 counting only the distinct ones).

The product of its (nonzero) digits is 562500, while the sum is 43.

The spelling of 6550506555100 in words is "six trillion, five hundred fifty billion, five hundred six million, five hundred fifty-five thousand, one hundred".