5500005550 has 48 divisors (see below), whose sum is σ = 11054917440. Its totient is φ = 2023770240.

The previous prime is 5500005509. The next prime is 5500005559. The reversal of 5500005550 is 555000055.

It is a super-2 number, since 2×5500005550² = 60500122100061605000, which contains 22 as substring.

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

5500005550 is a modest number, since divided by 5550 gives 5500 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5500005559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 176011 + ... + 204889.

It is an arithmetic number, because the mean of its divisors is an integer number (230310780).

Almost surely, 2^5500005550 is an apocalyptic number.

5500005550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5500005550 is an abundant number, since it is smaller than the sum of its proper divisors (5554911890).

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

5500005550 is a wasteful number, since it uses less digits than its factorization.

5500005550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29197 (or 29192 counting only the distinct ones).

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

The square root of 5500005550 is about 74162.0222890396. The cubic root of 5500005550 is about 1765.1747614032.

The spelling of 5500005550 in words is "five billion, five hundred million, five thousand, five hundred fifty".