5521326231 has 16 divisors (see below), whose sum is σ = 7430108000. Its totient is φ = 3646850688.

The previous prime is 5521326193. The next prime is 5521326247. The reversal of 5521326231 is 1326231255.

It is a de Polignac number, because none of the positive numbers 2^k-5521326231 is a prime.

It is a super-2 number, since 2×5521326231² = 60970086698257330722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5521324231) 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 15 ways as a sum of consecutive naturals, for example, 147585 + ... + 181173.

It is an arithmetic number, because the mean of its divisors is an integer number (464381750).

Almost surely, 2^5521326231 is an apocalyptic number.

5521326231 is a deficient number, since it is larger than the sum of its proper divisors (1908781769).

5521326231 is a wasteful number, since it uses less digits than its factorization.

5521326231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34098.

The product of its digits is 10800, while the sum is 30.

The square root of 5521326231 is about 74305.6271826031. The cubic root of 5521326231 is about 1767.4527107605.

Adding to 5521326231 its reverse (1326231255), we get a palindrome (6847557486).

The spelling of 5521326231 in words is "five billion, five hundred twenty-one million, three hundred twenty-six thousand, two hundred thirty-one".