550500555 has 32 divisors (see below), whose sum is σ = 969884928. Its totient is φ = 264406400.

The previous prime is 550500553. The next prime is 550500569. The reversal of 550500555 is 555005055.

It is not a de Polignac number, because 550500555 - 2¹ = 550500553 is a prime.

It is a super-2 number, since 2×550500555² = 606101722110616050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (550500553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2065 + ... + 33245.

It is an arithmetic number, because the mean of its divisors is an integer number (30308904).

Almost surely, 2^550500555 is an apocalyptic number.

550500555 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

550500555 is a deficient number, since it is larger than the sum of its proper divisors (419384373).

550500555 is a wasteful number, since it uses less digits than its factorization.

550500555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31307.

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

The square root of 550500555 is about 23462.7482405621. The cubic root of 550500555 is about 819.5697499983.

It can be divided in two parts, 550 and 500555, that added together give a palindrome (501105).

The spelling of 550500555 in words is "five hundred fifty million, five hundred thousand, five hundred fifty-five".