550049555 has 16 divisors (see below), whose sum is σ = 720797184. Its totient is φ = 399629280.

The previous prime is 550049543. The next prime is 550049579. The reversal of 550049555 is 555940055.

It is not a de Polignac number, because 550049555 - 2⁶ = 550049491 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56132 + ... + 65198.

It is an arithmetic number, because the mean of its divisors is an integer number (45049824).

Almost surely, 2^550049555 is an apocalyptic number.

550049555 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

550049555 is a deficient number, since it is larger than the sum of its proper divisors (170747629).

550049555 is a wasteful number, since it uses less digits than its factorization.

550049555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10186.

The product of its (nonzero) digits is 112500, while the sum is 38.

The square root of 550049555 is about 23453.1352914701. The cubic root of 550049555 is about 819.3458768105.

It can be divided in two parts, 5500 and 49555, that added together give a palindrome (55055).

The spelling of 550049555 in words is "five hundred fifty million, forty-nine thousand, five hundred fifty-five".