550505117 has 8 divisors (see below), whose sum is σ = 561670200. Its totient is φ = 539368960.

The previous prime is 550505083. The next prime is 550505141. The reversal of 550505117 is 711505055.

It can be written as a sum of positive squares in 4 ways, for example, as 4301476 + 546203641 = 2074^2 + 23371^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 550505117 - 2⁸ = 550504861 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 550505117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550505147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33509 + ... + 47157.

It is an arithmetic number, because the mean of its divisors is an integer number (70208775).

Almost surely, 2^550505117 is an apocalyptic number.

It is an amenable number.

550505117 is a deficient number, since it is larger than the sum of its proper divisors (11165083).

550505117 is a wasteful number, since it uses less digits than its factorization.

550505117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14463.

The product of its (nonzero) digits is 4375, while the sum is 29.

The square root of 550505117 is about 23462.8454582985. The cubic root of 550505117 is about 819.5720139178.

The spelling of 550505117 in words is "five hundred fifty million, five hundred five thousand, one hundred seventeen".