553122 has 16 divisors (see below), whose sum is σ = 1229280. Its totient is φ = 184356.

The previous prime is 553103. The next prime is 553123. The reversal of 553122 is 221355.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 553095 and 553104.

It is not an unprimeable number, because it can be changed into a prime (553123) by changing a digit.

553122 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 5068 + ... + 5175.

It is an arithmetic number, because the mean of its divisors is an integer number (76830).

2⁵⁵³¹²² is an apocalyptic number.

553122 is an abundant number, since it is smaller than the sum of its proper divisors (676158).

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

553122 is a wasteful number, since it uses less digits than its factorization.

553122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10254 (or 10248 counting only the distinct ones).

The product of its digits is 300, while the sum is 18.

The square root of 553122 is about 743.7217221515. The cubic root of 553122 is about 82.0868601701.

Adding to 553122 its reverse (221355), we get a palindrome (774477).

The spelling of 553122 in words is "five hundred fifty-three thousand, one hundred twenty-two".