33053312 has 32 divisors (see below), whose sum is σ = 69319200. Its totient is φ = 15655680.

The previous prime is 33053309. The next prime is 33053341. The reversal of 33053312 is 21335033.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4364 + ... + 9227.

It is an arithmetic number, because the mean of its divisors is an integer number (2166225).

Almost surely, 2^33053312 is an apocalyptic number.

33053312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

33053312 is an abundant number, since it is smaller than the sum of its proper divisors (36265888).

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

33053312 is a wasteful number, since it uses less digits than its factorization.

33053312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13624 (or 13612 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 20.

The square root of 33053312 is about 5749.2009879635. The cubic root of 33053312 is about 320.9260674121.

Adding to 33053312 its reverse (21335033), we get a palindrome (54388345).

The spelling of 33053312 in words is "thirty-three million, fifty-three thousand, three hundred twelve".