33055530 has 16 divisors (see below), whose sum is σ = 79333344. Its totient is φ = 8814800.

The previous prime is 33055499. The next prime is 33055537. The reversal of 33055530 is 3555033.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 33055530.

It is not an unprimeable number, because it can be changed into a prime (33055537) 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 7 ways as a sum of consecutive naturals, for example, 550896 + ... + 550955.

It is an arithmetic number, because the mean of its divisors is an integer number (4958334).

Almost surely, 2^33055530 is an apocalyptic number.

33055530 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

33055530 is an abundant number, since it is smaller than the sum of its proper divisors (46277814).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33055530 is a wasteful number, since it uses less digits than its factorization.

33055530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101861.

The product of its (nonzero) digits is 3375, while the sum is 24.

The square root of 33055530 is about 5749.3938810974. The cubic root of 33055530 is about 320.9332456952.

The spelling of 33055530 in words is "thirty-three million, fifty-five thousand, five hundred thirty".