553121344 has 56 divisors (see below), whose sum is σ = 1147673600. Its totient is φ = 264176640.

The previous prime is 553121291. The next prime is 553121351. The reversal of 553121344 is 443121355.

553121344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154972 + ... + 158500.

Almost surely, 2^553121344 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 553121344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (573836800).

553121344 is an abundant number, since it is smaller than the sum of its proper divisors (594552256).

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

553121344 is a wasteful number, since it uses less digits than its factorization.

553121344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3651 (or 3641 counting only the distinct ones).

The product of its digits is 7200, while the sum is 28.

The square root of 553121344 is about 23518.5319269720. The cubic root of 553121344 is about 820.8682771854.

Adding to 553121344 its reverse (443121355), we get a palindrome (996242699).

The spelling of 553121344 in words is "five hundred fifty-three million, one hundred twenty-one thousand, three hundred forty-four".