5550550000 has 120 divisors (see below), whose sum is σ = 13879361664. Its totient is φ = 2148000000.

The previous prime is 5550549967. The next prime is 5550550001. The reversal of 5550550000 is 550555.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5550550001) 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, 1548210 + ... + 1551790.

Almost surely, 2^5550550000 is an apocalyptic number.

5550550000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5550550000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6939680832).

5550550000 is an abundant number, since it is smaller than the sum of its proper divisors (8328811664).

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

5550550000 is an equidigital number, since it uses as much as digits as its factorization.

5550550000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3645 (or 3619 counting only the distinct ones).

The product of its (nonzero) digits is 3125, while the sum is 25.

The square root of 5550550000 is about 74502.0133956123. The cubic root of 5550550000 is about 1770.5655358207.

The spelling of 5550550000 in words is "five billion, five hundred fifty million, five hundred fifty thousand".