33053909 has 8 divisors (see below), whose sum is σ = 38074368. Its totient is φ = 28108080.

The previous prime is 33053903. The next prime is 33053947. The reversal of 33053909 is 90935033.

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

It is not a de Polignac number, because 33053909 - 2⁴ = 33053893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33053903) 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, 17702 + ... + 19479.

It is an arithmetic number, because the mean of its divisors is an integer number (4759296).

Almost surely, 2^33053909 is an apocalyptic number.

It is an amenable number.

33053909 is a deficient number, since it is larger than the sum of its proper divisors (5020459).

33053909 is a wasteful number, since it uses less digits than its factorization.

33053909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37315.

The product of its (nonzero) digits is 10935, while the sum is 32.

The square root of 33053909 is about 5749.2529079873. The cubic root of 33053909 is about 320.9279995604.

The spelling of 33053909 in words is "thirty-three million, fifty-three thousand, nine hundred nine".