550823 has 8 divisors (see below), whose sum is σ = 678048. Its totient is φ = 435744.

The previous prime is 550813. The next prime is 550831. The reversal of 550823 is 328055.

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 550823 - 2¹⁴ = 534439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550813) 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, 2936 + ... + 3117.

It is an arithmetic number, because the mean of its divisors is an integer number (84756).

2⁵⁵⁰⁸²³ is an apocalyptic number.

550823 is a deficient number, since it is larger than the sum of its proper divisors (127225).

550823 is a wasteful number, since it uses less digits than its factorization.

550823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6073.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 550823 is about 742.1745077810. The cubic root of 550823 is about 81.9729734450.

Adding to 550823 its reverse (328055), we get a palindrome (878878).

The spelling of 550823 in words is "five hundred fifty thousand, eight hundred twenty-three".