550841917 has 4 divisors (see below), whose sum is σ = 552874816. Its totient is φ = 548809020.

The previous prime is 550841887. The next prime is 550841933. The reversal of 550841917 is 719148055.

It is a happy number.

550841917 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 550841917 - 2¹¹ = 550839869 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 550841917.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550841017) 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, 1016043 + ... + 1016584.

It is an arithmetic number, because the mean of its divisors is an integer number (138218704).

Almost surely, 2^550841917 is an apocalyptic number.

It is an amenable number.

550841917 is a deficient number, since it is larger than the sum of its proper divisors (2032899).

550841917 is a wasteful number, since it uses less digits than its factorization.

550841917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2032898.

The product of its (nonzero) digits is 50400, while the sum is 40.

The square root of 550841917 is about 23470.0216659465. The cubic root of 550841917 is about 819.7391183780.

The spelling of 550841917 in words is "five hundred fifty million, eight hundred forty-one thousand, nine hundred seventeen".