555550055500 has 96 divisors (see below), whose sum is σ = 1335768033600. Its totient is φ = 200164608000.

The previous prime is 555550055479. The next prime is 555550055503. The reversal of 555550055500 is 5550055555.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (555550055503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 136156 + ... + 1062844.

It is an arithmetic number, because the mean of its divisors is an integer number (13914250350).

Almost surely, 2^555550055500 is an apocalyptic number.

555550055500 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 555550055500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (667884016800).

555550055500 is an abundant number, since it is smaller than the sum of its proper divisors (780217978100).

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

555550055500 is a wasteful number, since it uses less digits than its factorization.

555550055500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926828 (or 926816 counting only the distinct ones).

The product of its (nonzero) digits is 390625, while the sum is 40.

Subtracting from 555550055500 its reverse (5550055555), we obtain a palindrome (549999999945).

The spelling of 555550055500 in words is "five hundred fifty-five billion, five hundred fifty million, fifty-five thousand, five hundred".