5521540223 has 4 divisors (see below), whose sum is σ = 5588064888. Its totient is φ = 5455015560.

The previous prime is 5521540217. The next prime is 5521540237. The reversal of 5521540223 is 3220451255.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5521540223 - 2⁸ = 5521539967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5521540273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33262208 + ... + 33262373.

It is an arithmetic number, because the mean of its divisors is an integer number (1397016222).

Almost surely, 2^5521540223 is an apocalyptic number.

5521540223 is a deficient number, since it is larger than the sum of its proper divisors (66524665).

5521540223 is an equidigital number, since it uses as much as digits as its factorization.

5521540223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66524664.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 5521540223 is about 74307.0671134314. The cubic root of 5521540223 is about 1767.4755443961.

Adding to 5521540223 its reverse (3220451255), we get a palindrome (8741991478).

The spelling of 5521540223 in words is "five billion, five hundred twenty-one million, five hundred forty thousand, two hundred twenty-three".