5555555555500 has 48 divisors (see below), whose sum is σ = 12133917432000. Its totient is φ = 2222115244800.

The previous prime is 5555555555441. The next prime is 5555555555507. The reversal of 5555555555500 is 55555555555.

It is a nialpdrome in base 10.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (5555555555507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10567881 + ... + 11081119.

It is an arithmetic number, because the mean of its divisors is an integer number (252789946500).

Almost surely, 2^{5555555555500} is an apocalyptic number.

5555555555500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5555555555500 is an abundant number, since it is smaller than the sum of its proper divisors (6578361876500).

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

5555555555500 is a wasteful number, since it uses less digits than its factorization.

5555555555500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534907 (or 534895 counting only the distinct ones).

The product of its (nonzero) digits is 48828125, while the sum is 55.

Adding to 5555555555500 its sum of digits (55), we get a palindrome (5555555555555).

Subtracting from 5555555555500 its reverse (55555555555), we obtain a palindrome (5499999999945).

5555555555500 divided by its reverse (55555555555) gives a square (100 = 10²).

It can be divided in two parts, 55 and 55555555500, that added together give a palindrome (55555555555).

The spelling of 5555555555500 in words is "five trillion, five hundred fifty-five billion, five hundred fifty-five million, five hundred fifty-five thousand, five hundred".