5440503521 has 2 divisors, whose sum is σ = 5440503522. Its totient is φ = 5440503520.

The previous prime is 5440503511. The next prime is 5440503599. The reversal of 5440503521 is 1253050445.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4417463296 + 1023040225 = 66464^2 + 31985^2 .

It is a cyclic number.

It is not a de Polignac number, because 5440503521 - 2¹⁰ = 5440502497 is a prime.

It is not a weakly prime, because it can be changed into another prime (5440503511) 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, 2720251760 + 2720251761.

It is an arithmetic number, because the mean of its divisors is an integer number (2720251761).

Almost surely, 2^5440503521 is an apocalyptic number.

It is an amenable number.

5440503521 is a deficient number, since it is larger than the sum of its proper divisors (1).

5440503521 is an equidigital number, since it uses as much as digits as its factorization.

5440503521 is an odious number, because the sum of its binary digits is odd.

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

The square root of 5440503521 is about 73759.7689868942. The cubic root of 5440503521 is about 1758.7861293479.

Adding to 5440503521 its reverse (1253050445), we get a palindrome (6693553966).

The spelling of 5440503521 in words is "five billion, four hundred forty million, five hundred three thousand, five hundred twenty-one".