550000550 has 48 divisors (see below), whose sum is σ = 1127164464. Its totient is φ = 198000000.

The previous prime is 550000547. The next prime is 550000559. The reversal of 550000550 is 55000055.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550000559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50600 + ... + 60500.

It is an arithmetic number, because the mean of its divisors is an integer number (23482593).

Almost surely, 2^550000550 is an apocalyptic number.

550000550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

550000550 is an abundant number, since it is smaller than the sum of its proper divisors (577163914).

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

550000550 is a wasteful number, since it uses less digits than its factorization.

550000550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10025 (or 10020 counting only the distinct ones).

The product of its (nonzero) digits is 625, while the sum is 20.

The square root of 550000550 is about 23452.0905251536. The cubic root of 550000550 is about 819.3215437076.

It can be divided in two parts, 5500005 and 50, that added together give a palindrome (5500055).

The spelling of 550000550 in words is "five hundred fifty million, five hundred fifty", and thus it is an aban number.