33054985 has 8 divisors (see below), whose sum is σ = 40316616. Its totient is φ = 26010240.

The previous prime is 33054947. The next prime is 33055019. The reversal of 33054985 is 58945033.

It can be written as a sum of positive squares in 4 ways, for example, as 3341584 + 29713401 = 1828^2 + 5451^2 .

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

It is not a de Polignac number, because 33054985 - 2¹⁵ = 33022217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53884 + ... + 54493.

It is an arithmetic number, because the mean of its divisors is an integer number (5039577).

Almost surely, 2^33054985 is an apocalyptic number.

It is an amenable number.

33054985 is a deficient number, since it is larger than the sum of its proper divisors (7261631).

33054985 is a wasteful number, since it uses less digits than its factorization.

33054985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108443.

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 33054985 is about 5749.3464846015. The cubic root of 33054985 is about 320.9314818998.

The spelling of 33054985 in words is "thirty-three million, fifty-four thousand, nine hundred eighty-five".