33055555 has 12 divisors (see below), whose sum is σ = 42953760. Its totient is φ = 24409632.

The previous prime is 33055543. The next prime is 33055559. The reversal of 33055555 is 55555033.

It is not a de Polignac number, because 33055555 - 2¹⁹ = 32531267 is a prime.

33055555 is a modest number, since divided by 5555 gives 3305 as remainder.

It is not an unprimeable number, because it can be changed into a prime (33055559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18715 + ... + 20404.

It is an arithmetic number, because the mean of its divisors is an integer number (3579480).

Almost surely, 2^33055555 is an apocalyptic number.

33055555 is a deficient number, since it is larger than the sum of its proper divisors (9898205).

33055555 is a wasteful number, since it uses less digits than its factorization.

33055555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39150 (or 39137 counting only the distinct ones).

The product of its (nonzero) digits is 28125, while the sum is 31.

The square root of 33055555 is about 5749.3960552392. The cubic root of 33055555 is about 320.9333266028.

The spelling of 33055555 in words is "thirty-three million, fifty-five thousand, five hundred fifty-five".