33113856 has 36 divisors (see below), whose sum is σ = 88133192. Its totient is φ = 11037696.

The previous prime is 33113837. The next prime is 33113869. The reversal of 33113856 is 65831133.

It is a congruent number.

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, 20791 + ... + 22326.

Almost surely, 2^33113856 is an apocalyptic number.

It is an amenable number.

33113856 is an abundant number, since it is smaller than the sum of its proper divisors (55019336).

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

33113856 is an equidigital number, since it uses as much as digits as its factorization.

33113856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43136 (or 43122 counting only the distinct ones).

The product of its digits is 6480, while the sum is 30.

The square root of 33113856 is about 5754.4640063172. The cubic root of 33113856 is about 321.1218954573.

Adding to 33113856 its reverse (65831133), we get a palindrome (98944989).

The spelling of 33113856 in words is "thirty-three million, one hundred thirteen thousand, eight hundred fifty-six".