5545333665 has 24 divisors (see below), whose sum is σ = 9623683368. Its totient is φ = 2953889280.

The previous prime is 5545333639. The next prime is 5545333669. The reversal of 5545333665 is 5663335455.

5545333665 is a `hidden beast` number, since 5 + 54 + 533 + 3 + 6 + 65 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 139996224 + 5405337441 = 11832^2 + 73521^2 .

It is not a de Polignac number, because 5545333665 - 2¹⁹ = 5544809377 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 5545333665.

It is not an unprimeable number, because it can be changed into a prime (5545333669) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38104 + ... + 111993.

It is an arithmetic number, because the mean of its divisors is an integer number (400986807).

Almost surely, 2^5545333665 is an apocalyptic number.

It is an amenable number.

5545333665 is a deficient number, since it is larger than the sum of its proper divisors (4078349703).

5545333665 is a wasteful number, since it uses less digits than its factorization.

5545333665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150929 (or 150926 counting only the distinct ones).

The product of its digits is 2430000, while the sum is 45.

The square root of 5545333665 is about 74466.9971531013. The cubic root of 5545333665 is about 1770.0107104590.

The spelling of 5545333665 in words is "five billion, five hundred forty-five million, three hundred thirty-three thousand, six hundred sixty-five".