553321120 has 96 divisors (see below), whose sum is σ = 1488170880. Its totient is φ = 192445440.

The previous prime is 553321103. The next prime is 553321141. The reversal of 553321120 is 21123355.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 553321091 and 553321100.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 33646 + ... + 47314.

It is an arithmetic number, because the mean of its divisors is an integer number (15501780).

Almost surely, 2^553321120 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 553321120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (744085440).

553321120 is an abundant number, since it is smaller than the sum of its proper divisors (934849760).

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

553321120 is a wasteful number, since it uses less digits than its factorization.

553321120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13718 (or 13710 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 553321120 is about 23522.7787474184. The cubic root of 553321120 is about 820.9670921763.

Adding to 553321120 its reverse (21123355), we get a palindrome (574444475).

The spelling of 553321120 in words is "five hundred fifty-three million, three hundred twenty-one thousand, one hundred twenty".