553304304 has 320 divisors, whose sum is σ = 1971302400. Its totient is φ = 144986112.

The previous prime is 553304299. The next prime is 553304413. The reversal of 553304304 is 403403355.

It is a happy number.

553304304 is a `hidden beast` number, since 5 + 53 + 304 + 304 = 666.

It is a super-2 number, since 2×553304304² = 612291305649848832, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 2416062 + ... + 2416290.

It is an arithmetic number, because the mean of its divisors is an integer number (6160320).

Almost surely, 2^553304304 is an apocalyptic number.

553304304 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 553304304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (985651200).

553304304 is an abundant number, since it is smaller than the sum of its proper divisors (1417998096).

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

553304304 is a wasteful number, since it uses less digits than its factorization.

553304304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317 (or 305 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 27.

The square root of 553304304 is about 23522.4213039389. The cubic root of 553304304 is about 820.9587754129.

Adding to 553304304 its reverse (403403355), we get a palindrome (956707659).

The spelling of 553304304 in words is "five hundred fifty-three million, three hundred four thousand, three hundred four".