5550603321 has 32 divisors (see below), whose sum is σ = 7631769600. Its totient is φ = 3586657536.

The previous prime is 5550603299. The next prime is 5550603349. The reversal of 5550603321 is 1233060555.

It is a de Polignac number, because none of the positive numbers 2^k-5550603321 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5550603391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9455590 + ... + 9456176.

It is an arithmetic number, because the mean of its divisors is an integer number (238492800).

Almost surely, 2^5550603321 is an apocalyptic number.

It is an amenable number.

5550603321 is a deficient number, since it is larger than the sum of its proper divisors (2081166279).

5550603321 is a wasteful number, since it uses less digits than its factorization.

5550603321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1173.

The product of its (nonzero) digits is 13500, while the sum is 30.

The square root of 5550603321 is about 74502.3712441423. The cubic root of 5550603321 is about 1770.5712054103.

Adding to 5550603321 its reverse (1233060555), we get a palindrome (6783663876).

The spelling of 5550603321 in words is "five billion, five hundred fifty million, six hundred three thousand, three hundred twenty-one".