550544 has 20 divisors (see below), whose sum is σ = 1123440.
Its totient is φ = 260640.
The previous prime is 550541. The next prime is 550553. The reversal of 550544 is 445055.
It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 550544.
It is not an unprimeable number, because it can be changed into a prime (550541) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 602 + ... + 1209.
It is an arithmetic number, because the mean of its divisors is an integer number (56172).
2550544 is an apocalyptic number.
It is an amenable number.
550544 is an abundant number, since it is smaller than the sum of its proper divisors (572896).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
550544 is a wasteful number, since it uses less digits than its factorization.
550544 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1838 (or 1832 counting only the distinct ones).
The product of its (nonzero) digits is 2000, while the sum is 23.
The square root of 550544 is about 741.9865227887.
The cubic root of 550544 is about 81.9591309329.
Adding to 550544 its reverse (445055), we get a palindrome (995599).
The spelling of 550544 in words is "five hundred fifty thousand, five hundred forty-four".