5500555550550 has 192 divisors, whose sum is σ = 15521435136000. Its totient is φ = 1431972622080.

The previous prime is 5500555550549. The next prime is 5500555550569. The reversal of 5500555550550 is 550555550055.

It is a super-2 number, since 2×5500555550550² (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 a junction number, because it is equal to n+sod(n) for n = 5500555550496 and 5500555550505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9202099 + ... + 9781601.

It is an arithmetic number, because the mean of its divisors is an integer number (80840808000).

Almost surely, 2^{5500555550550} is an apocalyptic number.

5500555550550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 5500555550550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7760717568000).

5500555550550 is an abundant number, since it is smaller than the sum of its proper divisors (10020879585450).

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

5500555550550 is a wasteful number, since it uses less digits than its factorization.

5500555550550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579692 (or 579681 counting only the distinct ones).

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

The spelling of 5500555550550 in words is "five trillion, five hundred billion, five hundred fifty-five million, five hundred fifty thousand, five hundred fifty".