5505550555500 has 72 divisors (see below), whose sum is σ = 17368176833280. Its totient is φ = 1468146813600.

The previous prime is 5505550555499. The next prime is 5505550555507. The reversal of 5505550555500 is 55550555055.

It is a super-2 number, since 2×5505550555500² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (5505550555507) 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 23 ways as a sum of consecutive naturals, for example, 611723340 + ... + 611732339.

It is an arithmetic number, because the mean of its divisors is an integer number (241224678240).

Almost surely, 2^{5505550555500} is an apocalyptic number.

5505550555500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5505550555500 is an abundant number, since it is smaller than the sum of its proper divisors (11862626277780).

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

5505550555500 is a wasteful number, since it uses less digits than its factorization.

5505550555500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1223455704 (or 1223455689 counting only the distinct ones).

The product of its (nonzero) digits is 1953125, while the sum is 45.

The spelling of 5505550555500 in words is "five trillion, five hundred five billion, five hundred fifty million, five hundred fifty-five thousand, five hundred".