550803 has 8 divisors (see below), whose sum is σ = 801216. Its totient is φ = 333800.

The previous prime is 550801. The next prime is 550811. The reversal of 550803 is 308055.

550803 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 550803 - 2¹ = 550801 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 550803.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 550803.

It is not an unprimeable number, because it can be changed into a prime (550801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8313 + ... + 8378.

It is an arithmetic number, because the mean of its divisors is an integer number (100152).

2⁵⁵⁰⁸⁰³ is an apocalyptic number.

550803 is a deficient number, since it is larger than the sum of its proper divisors (250413).

550803 is a wasteful number, since it uses less digits than its factorization.

550803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16705.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 550803 is about 742.1610337386. The cubic root of 550803 is about 81.9719813058.

Adding to 550803 its reverse (308055), we get a palindrome (858858).

The spelling of 550803 in words is "five hundred fifty thousand, eight hundred three".