5550500550 has 48 divisors (see below), whose sum is σ = 15731707392. Its totient is φ = 1268685600.

The previous prime is 5550500531. The next prime is 5550500567. The reversal of 5550500550 is 550050555.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2642046 + ... + 2644145.

It is an arithmetic number, because the mean of its divisors is an integer number (327743904).

Almost surely, 2^5550500550 is an apocalyptic number.

5550500550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5550500550 is an abundant number, since it is smaller than the sum of its proper divisors (10181206842).

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

5550500550 is a wasteful number, since it uses less digits than its factorization.

5550500550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5286213 (or 5286208 counting only the distinct ones).

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

The square root of 5550500550 is about 74501.6815246475. The cubic root of 5550500550 is about 1770.5602777997.

The spelling of 5550500550 in words is "five billion, five hundred fifty million, five hundred thousand, five hundred fifty".