33155000 has 80 divisors (see below), whose sum is σ = 82005000. Its totient is φ = 12528000.

The previous prime is 33154999. The next prime is 33155039. The reversal of 33155000 is 55133.

It is a self number, because there is not a number n which added to its sum of digits gives 33155000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 94826 + ... + 95174.

Almost surely, 2^33155000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33155000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41002500).

33155000 is an abundant number, since it is smaller than the sum of its proper divisors (48850000).

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

33155000 is a wasteful number, since it uses less digits than its factorization.

33155000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394 (or 375 counting only the distinct ones).

The product of its (nonzero) digits is 225, while the sum is 17.

The square root of 33155000 is about 5758.0378602437. The cubic root of 33155000 is about 321.2548385066.

The spelling of 33155000 in words is "thirty-three million, one hundred fifty-five thousand".