5504249521 has 2 divisors, whose sum is σ = 5504249522. Its totient is φ = 5504249520.

The previous prime is 5504249507. The next prime is 5504249551. The reversal of 5504249521 is 1259424055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4959680625 + 544568896 = 70425^2 + 23336^2 .

It is a cyclic number.

It is not a de Polignac number, because 5504249521 - 2¹³ = 5504241329 is a prime.

It is not a weakly prime, because it can be changed into another prime (5504249501) 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, 2752124760 + 2752124761.

It is an arithmetic number, because the mean of its divisors is an integer number (2752124761).

Almost surely, 2^5504249521 is an apocalyptic number.

It is an amenable number.

5504249521 is a deficient number, since it is larger than the sum of its proper divisors (1).

5504249521 is an equidigital number, since it uses as much as digits as its factorization.

5504249521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72000, while the sum is 37.

The square root of 5504249521 is about 74190.6296037444. The cubic root of 5504249521 is about 1765.6286654586.

It can be divided in two parts, 5504 and 249521, that added together give a square (255025 = 505²).

The spelling of 5504249521 in words is "five billion, five hundred four million, two hundred forty-nine thousand, five hundred twenty-one".