553233330 has 72 divisors (see below), whose sum is σ = 1557607428. Its totient is φ = 136176768.

The previous prime is 553233323. The next prime is 553233353. The reversal of 553233330 is 33332355.

553233330 is a `hidden beast` number, since 5 + 5 + 323 + 3 + 330 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 89132481 + 464100849 = 9441^2 + 21543^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 553233294 and 553233303.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2977 + ... + 33396.

Almost surely, 2^553233330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 553233330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (778803714).

553233330 is an abundant number, since it is smaller than the sum of its proper divisors (1004374098).

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

553233330 is a wasteful number, since it uses less digits than its factorization.

553233330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36412 (or 36396 counting only the distinct ones).

The product of its (nonzero) digits is 12150, while the sum is 27.

The square root of 553233330 is about 23520.9126098457. The cubic root of 553233330 is about 820.9236716317.

Adding to 553233330 its reverse (33332355), we get a palindrome (586565685).

It can be divided in two parts, 55323 and 3330, that added together give a triangular number (58653 = T₃₄₂).

The spelling of 553233330 in words is "five hundred fifty-three million, two hundred thirty-three thousand, three hundred thirty".