550264 has 48 divisors (see below), whose sum is σ = 1251720. Its totient is φ = 224640.

The previous prime is 550241. The next prime is 550267. The reversal of 550264 is 462055.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550267) 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, 14854 + ... + 14890.

2⁵⁵⁰²⁶⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 550264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (625860).

550264 is an abundant number, since it is smaller than the sum of its proper divisors (701456).

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

550264 is a wasteful number, since it uses less digits than its factorization.

550264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80 (or 63 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 550264 is about 741.7978161197. The cubic root of 550264 is about 81.9452341035.

Subtracting from 550264 its reverse (462055), we obtain a square (88209 = 297²).

The spelling of 550264 in words is "five hundred fifty thousand, two hundred sixty-four".