33561104 has 20 divisors (see below), whose sum is σ = 65997264. Its totient is φ = 16529568.

The previous prime is 33561103. The next prime is 33561139. The reversal of 33561104 is 40116533.

It is a happy number.

It is a super-2 number, since 2×33561104² = 2252695403397632, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33561104.

It is not an unprimeable number, because it can be changed into a prime (33561103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14582 + ... + 16725.

Almost surely, 2^33561104 is an apocalyptic number.

It is an amenable number.

33561104 is a deficient number, since it is larger than the sum of its proper divisors (32436160).

33561104 is a wasteful number, since it uses less digits than its factorization.

33561104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31382 (or 31376 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 33561104 is about 5793.1946281823. The cubic root of 33561104 is about 322.5611654112.

Adding to 33561104 its reverse (40116533), we get a palindrome (73677637).

The spelling of 33561104 in words is "thirty-three million, five hundred sixty-one thousand, one hundred four".