5520531641 has 2 divisors, whose sum is σ = 5520531642. Its totient is φ = 5520531640.

The previous prime is 5520531617. The next prime is 5520531671. The reversal of 5520531641 is 1461350255.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4160766016 + 1359765625 = 64504^2 + 36875^2 .

It is a cyclic number.

It is not a de Polignac number, because 5520531641 - 2¹⁸ = 5520269497 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5520531598 and 5520531607.

It is not a weakly prime, because it can be changed into another prime (5520531671) 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 as a sum of consecutive naturals, namely, 2760265820 + 2760265821.

It is an arithmetic number, because the mean of its divisors is an integer number (2760265821).

Almost surely, 2^5520531641 is an apocalyptic number.

It is an amenable number.

5520531641 is a deficient number, since it is larger than the sum of its proper divisors (1).

5520531641 is an equidigital number, since it uses as much as digits as its factorization.

5520531641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 5520531641 is about 74300.2802215443. The cubic root of 5520531641 is about 1767.3679202853.

Adding to 5520531641 its reverse (1461350255), we get a palindrome (6981881896).

The spelling of 5520531641 in words is "five billion, five hundred twenty million, five hundred thirty-one thousand, six hundred forty-one".