5520534521 has 2 divisors, whose sum is σ = 5520534522. Its totient is φ = 5520534520.

The previous prime is 5520534463. The next prime is 5520534527. The reversal of 5520534521 is 1254350255.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5520490000 + 44521 = 74300^2 + 211^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5520534521 is a prime.

It is a super-3 number, since 3×5520534521³ (a number of 30 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (5520534527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2760267260 + 2760267261.

It is an arithmetic number, because the mean of its divisors is an integer number (2760267261).

Almost surely, 2^5520534521 is an apocalyptic number.

It is an amenable number.

5520534521 is a deficient number, since it is larger than the sum of its proper divisors (1).

5520534521 is an equidigital number, since it uses as much as digits as its factorization.

5520534521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30000, while the sum is 32.

The square root of 5520534521 is about 74300.2996023569. The cubic root of 5520534521 is about 1767.3682276239.

Adding to 5520534521 its reverse (1254350255), we get a palindrome (6774884776).

The spelling of 5520534521 in words is "five billion, five hundred twenty million, five hundred thirty-four thousand, five hundred twenty-one".