550494 has 48 divisors (see below), whose sum is σ = 1448928. Its totient is φ = 147456.

The previous prime is 550489. The next prime is 550513. The reversal of 550494 is 494055.

550494 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×550494³ = 500471123339861352, which contains 333 as substring.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 550494.

It is an unprimeable number.

550494 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2014 + ... + 2270.

It is an arithmetic number, because the mean of its divisors is an integer number (30186).

2⁵⁵⁰⁴⁹⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 550494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (724464).

550494 is an abundant number, since it is smaller than the sum of its proper divisors (898434).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

550494 is a wasteful number, since it uses less digits than its factorization.

550494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289 (or 286 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 550494 is about 741.9528286893. The cubic root of 550494 is about 81.9566497019.

The spelling of 550494 in words is "five hundred fifty thousand, four hundred ninety-four".