5450909 has 4 divisors (see below), whose sum is σ = 5583900. Its totient is φ = 5317920.

The previous prime is 5450903. The next prime is 5450917. The reversal of 5450909 is 9090545.

5450909 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9090545 = 5 ⋅1818109.

It can be written as a sum of positive squares in 2 ways, for example, as 1570009 + 3880900 = 1253^2 + 1970^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5450909 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

5450909 is a modest number, since divided by 909 gives 545 as remainder.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5450903) 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, 66434 + ... + 66515.

It is an arithmetic number, because the mean of its divisors is an integer number (1395975).

Almost surely, 2^5450909 is an apocalyptic number.

It is an amenable number.

5450909 is a deficient number, since it is larger than the sum of its proper divisors (132991).

5450909 is a wasteful number, since it uses less digits than its factorization.

5450909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132990.

The product of its (nonzero) digits is 8100, while the sum is 32.

The square root of 5450909 is about 2334.7181842784. The cubic root of 5450909 is about 175.9906697017.

The spelling of 5450909 in words is "five million, four hundred fifty thousand, nine hundred nine".