33053712 has 40 divisors (see below), whose sum is σ = 90413856. Its totient is φ = 10369536.

The previous prime is 33053693. The next prime is 33053717. The reversal of 33053712 is 21735033.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (33053717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19438 + ... + 21069.

Almost surely, 2^33053712 is an apocalyptic number.

It is an amenable number.

33053712 is an abundant number, since it is smaller than the sum of its proper divisors (57360144).

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

33053712 is a wasteful number, since it uses less digits than its factorization.

33053712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40535 (or 40529 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 24.

The square root of 33053712 is about 5749.2357753009. The cubic root of 33053712 is about 320.9273619864.

Adding to 33053712 its reverse (21735033), we get a palindrome (54788745).

The spelling of 33053712 in words is "thirty-three million, fifty-three thousand, seven hundred twelve".