5489553521 has 16 divisors (see below), whose sum is σ = 6016505040. Its totient is φ = 4985487360.

The previous prime is 5489553449. The next prime is 5489553557. The reversal of 5489553521 is 1253559845.

5489553521 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 4669921 + 5484883600 = 2161^2 + 74060^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5489553521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5489553571) 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 in 15 ways as a sum of consecutive naturals, for example, 1586225 + ... + 1589681.

It is an arithmetic number, because the mean of its divisors is an integer number (376031565).

Almost surely, 2^5489553521 is an apocalyptic number.

It is an amenable number.

5489553521 is a deficient number, since it is larger than the sum of its proper divisors (526951519).

5489553521 is a wasteful number, since it uses less digits than its factorization.

5489553521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6724.

The product of its digits is 1080000, while the sum is 47.

The square root of 5489553521 is about 74091.5212490606. The cubic root of 5489553521 is about 1764.0558923995.

The spelling of 5489553521 in words is "five billion, four hundred eighty-nine million, five hundred fifty-three thousand, five hundred twenty-one".