5544650809 has 4 divisors (see below), whose sum is σ = 5649266916. Its totient is φ = 5440034704.

The previous prime is 5544650807. The next prime is 5544650843. The reversal of 5544650809 is 9080564455.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4705274025 + 839376784 = 68595^2 + 28972^2 .

It is a cyclic number.

It is not a de Polignac number, because 5544650809 - 2¹ = 5544650807 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5544650801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52307974 + ... + 52308079.

It is an arithmetic number, because the mean of its divisors is an integer number (1412316729).

Almost surely, 2^5544650809 is an apocalyptic number.

It is an amenable number.

5544650809 is a deficient number, since it is larger than the sum of its proper divisors (104616107).

5544650809 is a wasteful number, since it uses less digits than its factorization.

5544650809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104616106.

The product of its (nonzero) digits is 864000, while the sum is 46.

The square root of 5544650809 is about 74462.4120546736. The cubic root of 5544650809 is about 1769.9380540526.

The spelling of 5544650809 in words is "five billion, five hundred forty-four million, six hundred fifty thousand, eight hundred nine".