550305055 has 4 divisors (see below), whose sum is σ = 660366072. Its totient is φ = 440244040.

The previous prime is 550305053. The next prime is 550305059. The reversal of 550305055 is 550503055.

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

It is not a de Polignac number, because 550305055 - 2¹ = 550305053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550305053) 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 3 ways as a sum of consecutive naturals, for example, 55030501 + ... + 55030510.

It is an arithmetic number, because the mean of its divisors is an integer number (165091518).

Almost surely, 2^550305055 is an apocalyptic number.

550305055 is a deficient number, since it is larger than the sum of its proper divisors (110061017).

550305055 is a wasteful number, since it uses less digits than its factorization.

550305055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110061016.

The product of its (nonzero) digits is 9375, while the sum is 28.

The square root of 550305055 is about 23458.5816919949. The cubic root of 550305055 is about 819.4727202100.

The spelling of 550305055 in words is "five hundred fifty million, three hundred five thousand, fifty-five".