550854 has 24 divisors (see below), whose sum is σ = 1236360. Its totient is φ = 181800.

The previous prime is 550843. The next prime is 550859. The reversal of 550854 is 458055.

550854 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550859) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5404 + ... + 5504.

It is an arithmetic number, because the mean of its divisors is an integer number (51515).

2⁵⁵⁰⁸⁵⁴ is an apocalyptic number.

550854 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 550854, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (618180).

550854 is an abundant number, since it is smaller than the sum of its proper divisors (685506).

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

550854 is a wasteful number, since it uses less digits than its factorization.

550854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213 (or 106 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 550854 is about 742.1953920633. The cubic root of 550854 is about 81.9745112134.

550854 divided by its sum of digits (27) gives a palindrome (20402).

The spelling of 550854 in words is "five hundred fifty thousand, eight hundred fifty-four".