553611328 has 56 divisors (see below), whose sum is σ = 1125260640. Its totient is φ = 270167040.

The previous prime is 553611323. The next prime is 553611329. The reversal of 553611328 is 823116355.

It is a junction number, because it is equal to n+sod(n) for n = 553611293 and 553611302.

It is not an unprimeable number, because it can be changed into a prime (553611323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 472183 + ... + 473353.

It is an arithmetic number, because the mean of its divisors is an integer number (20093940).

Almost surely, 2^553611328 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 553611328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (562630320).

553611328 is an abundant number, since it is smaller than the sum of its proper divisors (571649312).

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

553611328 is a wasteful number, since it uses less digits than its factorization.

553611328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1355 (or 1345 counting only the distinct ones).

The product of its digits is 21600, while the sum is 34.

The square root of 553611328 is about 23528.9465977549. The cubic root of 553611328 is about 821.1105950889.

The spelling of 553611328 in words is "five hundred fifty-three million, six hundred eleven thousand, three hundred twenty-eight".