33057136 has 20 divisors (see below), whose sum is σ = 73198192. Its totient is φ = 14167296.

The previous prime is 33057097. The next prime is 33057161. The reversal of 33057136 is 63175033.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 147465 + ... + 147688.

Almost surely, 2^33057136 is an apocalyptic number.

It is an amenable number.

33057136 is an abundant number, since it is smaller than the sum of its proper divisors (40141056).

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

33057136 is a wasteful number, since it uses less digits than its factorization.

33057136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295168 (or 295162 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 28.

The square root of 33057136 is about 5749.5335462975. The cubic root of 33057136 is about 320.9384431155.

The spelling of 33057136 in words is "thirty-three million, fifty-seven thousand, one hundred thirty-six".