550555055 has 4 divisors (see below), whose sum is σ = 660666072. Its totient is φ = 440444040.

The previous prime is 550555051. The next prime is 550555069.

550555055 is nontrivially palindromic in base 10.

550555055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 550555055 - 2² = 550555051 is a prime.

It is a super-2 number, since 2×550555055² = 606221737172106050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550555051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55055501 + ... + 55055510.

It is an arithmetic number, because the mean of its divisors is an integer number (165166518).

Almost surely, 2^550555055 is an apocalyptic number.

550555055 is a deficient number, since it is larger than the sum of its proper divisors (110111017).

550555055 is a wasteful number, since it uses less digits than its factorization.

550555055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110111016.

The product of its (nonzero) digits is 78125, while the sum is 35.

The square root of 550555055 is about 23463.9096273405. The cubic root of 550555055 is about 819.5967951284.

The spelling of 550555055 in words is "five hundred fifty million, five hundred fifty-five thousand, fifty-five".