5555555055500 has 192 divisors, whose sum is σ = 13022681817600. Its totient is φ = 2063990073600.

The previous prime is 5555555055439. The next prime is 5555555055511. The reversal of 5555555055500 is 55505555555.

It is a Harshad number since it is a multiple of its sum of digits (50).

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 63 ways as a sum of consecutive naturals, for example, 839331191 + ... + 839337809.

It is an arithmetic number, because the mean of its divisors is an integer number (67826467800).

Almost surely, 2^{5555555055500} is an apocalyptic number.

5555555055500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5555555055500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6511340908800).

5555555055500 is an abundant number, since it is smaller than the sum of its proper divisors (7467126762100).

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

5555555055500 is a wasteful number, since it uses less digits than its factorization.

5555555055500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8377 (or 8365 counting only the distinct ones).

The product of its (nonzero) digits is 9765625, while the sum is 50.

It can be divided in two parts, 5555555055 and 500, that added together give a palindrome (5555555555).

The spelling of 5555555055500 in words is "five trillion, five hundred fifty-five billion, five hundred fifty-five million, fifty-five thousand, five hundred".