550622 has 16 divisors (see below), whose sum is σ = 870912. Its totient is φ = 260760.

The previous prime is 550621. The next prime is 550631. The reversal of 550622 is 226055.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 550594 and 550603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5093 + ... + 5199.

It is an arithmetic number, because the mean of its divisors is an integer number (54432).

2⁵⁵⁰⁶²² is an apocalyptic number.

550622 is a deficient number, since it is larger than the sum of its proper divisors (320290).

550622 is a wasteful number, since it uses less digits than its factorization.

550622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 550622 is about 742.0390825287. The cubic root of 550622 is about 81.9630013534.

Adding to 550622 its reverse (226055), we get a palindrome (776677).

The spelling of 550622 in words is "five hundred fifty thousand, six hundred twenty-two".