33012056 has 32 divisors (see below), whose sum is σ = 77172480. Its totient is φ = 12861600.

The previous prime is 33012053. The next prime is 33012097. The reversal of 33012056 is 65021033.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33012053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26180 + ... + 27411.

It is an arithmetic number, because the mean of its divisors is an integer number (2411640).

Almost surely, 2^33012056 is an apocalyptic number.

It is an amenable number.

33012056 is an abundant number, since it is smaller than the sum of its proper divisors (44160424).

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

33012056 is a wasteful number, since it uses less digits than its factorization.

33012056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53615 (or 53611 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 33012056 is about 5745.6118908259. The cubic root of 33012056 is about 320.7924888841.

Adding to 33012056 its reverse (65021033), we get a palindrome (98033089).

The spelling of 33012056 in words is "thirty-three million, twelve thousand, fifty-six".