5500550500550 has 48 divisors (see below), whose sum is σ = 12380398719840. Its totient is φ = 1774967554560.

The previous prime is 5500550500447. The next prime is 5500550500553. The reversal of 5500550500550 is 550050550055.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 5500550500550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5500550500553) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 462225185 + ... + 462237084.

It is an arithmetic number, because the mean of its divisors is an integer number (257924973330).

Almost surely, 2^{5500550500550} is an apocalyptic number.

5500550500550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5500550500550 is an abundant number, since it is smaller than the sum of its proper divisors (6879848219290).

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

5500550500550 is a wasteful number, since it uses less digits than its factorization.

5500550500550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924462305 (or 924462300 counting only the distinct ones).

The product of its (nonzero) digits is 78125, while the sum is 35.

The spelling of 5500550500550 in words is "five trillion, five hundred billion, five hundred fifty million, five hundred thousand, five hundred fifty".