550005505500 has 96 divisors (see below), whose sum is σ = 1747217541888. Its totient is φ = 133334664000.

The previous prime is 550005505429. The next prime is 550005505501. The reversal of 550005505500 is 5505500055.

550005505500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550005505501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16650334 + ... + 16683333.

It is an arithmetic number, because the mean of its divisors is an integer number (18200182728).

Almost surely, 2^550005505500 is an apocalyptic number.

550005505500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

550005505500 is an abundant number, since it is smaller than the sum of its proper divisors (1197212036388).

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

550005505500 is a wasteful number, since it uses less digits than its factorization.

550005505500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33333700 (or 33333688 counting only the distinct ones).

The product of its (nonzero) digits is 15625, while the sum is 30.

Subtracting from 550005505500 its reverse (5505500055), we obtain a palindrome (544500005445).

The spelling of 550005505500 in words is "five hundred fifty billion, five million, five hundred five thousand, five hundred".