5005503221 has 4 divisors (see below), whose sum is σ = 5099946732. Its totient is φ = 4911059712.

The previous prime is 5005503143. The next prime is 5005503229. The reversal of 5005503221 is 1223055005.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1223055005 = 5 ⋅244611001.

It can be written as a sum of positive squares in 2 ways, for example, as 1882258225 + 3123244996 = 43385^2 + 55886^2 .

It is a de Polignac number, because none of the positive numbers 2^k-5005503221 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5005503229) 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 3 ways as a sum of consecutive naturals, for example, 47221676 + ... + 47221781.

It is an arithmetic number, because the mean of its divisors is an integer number (1274986683).

Almost surely, 2^5005503221 is an apocalyptic number.

It is an amenable number.

5005503221 is a deficient number, since it is larger than the sum of its proper divisors (94443511).

5005503221 is an equidigital number, since it uses as much as digits as its factorization.

5005503221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94443510.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 5005503221 is about 70749.5810658975. The cubic root of 5005503221 is about 1710.6030750205.

Adding to 5005503221 its reverse (1223055005), we get a palindrome (6228558226).

The spelling of 5005503221 in words is "five billion, five million, five hundred three thousand, two hundred twenty-one".