Adding to 553344 its reverse (443355), we get a palindrome (996699).
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (64).
It is a zygodrome in base 10.
It is a congruent number.
It is an unprimeable number.
553344 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
2553344 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 553344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (807840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
553344 is a wasteful number, since it uses less digits than its factorization.
553344 is an evil number, because the sum of its binary digits is even.
The square root of 553344 is about 743.8709565509. The cubic root of 553344 is about 82.0978407768.
The spelling of 553344 in words is "five hundred fifty-three thousand, three hundred forty-four".