5500055500551 has 48 divisors (see below), whose sum is σ = 8488211434560. Its totient is φ = 3419701125120.

The previous prime is 5500055500411. The next prime is 5500055500553. The reversal of 5500055500551 is 1550055500055.

It is a happy number.

5500055500551 is a `hidden beast` number, since 5 + 5 + 0 + 0 + 0 + 55 + 50 + 0 + 551 = 666.

It is not a de Polignac number, because 5500055500551 - 2¹⁴ = 5500055484167 is a prime.

It is a super-2 number, since 2×5500055500551² (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 (5500055500553) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 81726046 + ... + 81793316.

It is an arithmetic number, because the mean of its divisors is an integer number (176837738220).

Almost surely, 2^{5500055500551} is an apocalyptic number.

5500055500551 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

5500055500551 is a deficient number, since it is larger than the sum of its proper divisors (2988155934009).

5500055500551 is a wasteful number, since it uses less digits than its factorization.

5500055500551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72136 (or 72133 counting only the distinct ones).

The product of its (nonzero) digits is 78125, while the sum is 36.

The spelling of 5500055500551 in words is "five trillion, five hundred billion, fifty-five million, five hundred thousand, five hundred fifty-one".