553424220 has 72 divisors (see below), whose sum is σ = 1687349664. Its totient is φ = 146821248.

The previous prime is 553424213. The next prime is 553424227. The reversal of 553424220 is 22424355.

It is a happy number.

553424220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (553424213) and next prime (553424227).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553424227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27657 + ... + 43263.

It is an arithmetic number, because the mean of its divisors is an integer number (23435412).

Almost surely, 2^553424220 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 553424220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (843674832).

553424220 is an abundant number, since it is smaller than the sum of its proper divisors (1133925444).

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

553424220 is a wasteful number, since it uses less digits than its factorization.

553424220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15819 (or 15814 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 553424220 is about 23524.9701381320. The cubic root of 553424220 is about 821.0180791153.

Adding to 553424220 its reverse (22424355), we get a palindrome (575848575).

The spelling of 553424220 in words is "five hundred fifty-three million, four hundred twenty-four thousand, two hundred twenty".