33054409 has 4 divisors (see below), whose sum is σ = 34998804. Its totient is φ = 31110016.

The previous prime is 33054407. The next prime is 33054419. The reversal of 33054409 is 90445033.

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 23068809 + 9985600 = 4803^2 + 3160^2 .

It is a cyclic number.

It is not a de Polignac number, because 33054409 - 2¹ = 33054407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33054407) 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, 972172 + ... + 972205.

It is an arithmetic number, because the mean of its divisors is an integer number (8749701).

Almost surely, 2^33054409 is an apocalyptic number.

It is an amenable number.

33054409 is a deficient number, since it is larger than the sum of its proper divisors (1944395).

33054409 is a wasteful number, since it uses less digits than its factorization.

33054409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1944394.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 33054409 is about 5749.2963917335. The cubic root of 33054409 is about 320.9296177572.

The spelling of 33054409 in words is "thirty-three million, fifty-four thousand, four hundred nine".