33055481 has 4 divisors (see below), whose sum is σ = 33376512. Its totient is φ = 32734452.

The previous prime is 33055469. The next prime is 33055499. The reversal of 33055481 is 18455033.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33055481 is a prime.

It is a super-2 number, since 2×33055481² = 2185329648282722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33055441) 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, 160361 + ... + 160566.

It is an arithmetic number, because the mean of its divisors is an integer number (8344128).

Almost surely, 2^33055481 is an apocalyptic number.

It is an amenable number.

33055481 is a deficient number, since it is larger than the sum of its proper divisors (321031).

33055481 is a wasteful number, since it uses less digits than its factorization.

33055481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321030.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 33055481 is about 5749.3896197770. The cubic root of 33055481 is about 320.9330871162.

The spelling of 33055481 in words is "thirty-three million, fifty-five thousand, four hundred eighty-one".