5535521209 has 8 divisors (see below), whose sum is σ = 5655708288. Its totient is φ = 5415434640.

The previous prime is 5535521207. The next prime is 5535521221. The reversal of 5535521209 is 9021255355.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5535521209 - 2¹ = 5535521207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5535521203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92079 + ... + 139819.

It is an arithmetic number, because the mean of its divisors is an integer number (706963536).

Almost surely, 2^5535521209 is an apocalyptic number.

It is an amenable number.

5535521209 is a deficient number, since it is larger than the sum of its proper divisors (120187079).

5535521209 is a wasteful number, since it uses less digits than its factorization.

5535521209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50255.

The product of its (nonzero) digits is 67500, while the sum is 37.

The square root of 5535521209 is about 74401.0833859293. The cubic root of 5535521209 is about 1768.9660840126.

The spelling of 5535521209 in words is "five billion, five hundred thirty-five million, five hundred twenty-one thousand, two hundred nine".