550023 has 8 divisors (see below), whose sum is σ = 739200. Its totient is φ = 363768.

The previous prime is 550009. The next prime is 550027. The reversal of 550023 is 320055.

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

It is not a de Polignac number, because 550023 - 2⁴ = 550007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 549984 and 550011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550027) 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, 243 + ... + 1076.

It is an arithmetic number, because the mean of its divisors is an integer number (92400).

2⁵⁵⁰⁰²³ is an apocalyptic number.

550023 is a deficient number, since it is larger than the sum of its proper divisors (189177).

550023 is a wasteful number, since it uses less digits than its factorization.

550023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1461.

The product of its (nonzero) digits is 150, while the sum is 15.

The square root of 550023 is about 741.6353551443. The cubic root of 550023 is about 81.9332691283.

Adding to 550023 its reverse (320055), we get a palindrome (870078).

The spelling of 550023 in words is "five hundred fifty thousand, twenty-three".