550212 has 24 divisors (see below), whose sum is σ = 1382976. Its totient is φ = 169248.

The previous prime is 550211. The next prime is 550213. The reversal of 550212 is 212055.

It is an interprime number because it is at equal distance from previous prime (550211) and next prime (550213).

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 550191 and 550200.

It is not an unprimeable number, because it can be changed into a prime (550211) 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 7 ways as a sum of consecutive naturals, for example, 1608 + ... + 1919.

It is an arithmetic number, because the mean of its divisors is an integer number (57624).

2⁵⁵⁰²¹² is an apocalyptic number.

550212 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

550212 is an abundant number, since it is smaller than the sum of its proper divisors (832764).

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

550212 is a wasteful number, since it uses less digits than its factorization.

550212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3547 (or 3545 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 550212 is about 741.7627653098. The cubic root of 550212 is about 81.9426527447.

Adding to 550212 its reverse (212055), we get a palindrome (762267).

The spelling of 550212 in words is "five hundred fifty thousand, two hundred twelve".