33564542 has 16 divisors (see below), whose sum is σ = 56818800. Its totient is φ = 14730240.

The previous prime is 33564541. The next prime is 33564551. The reversal of 33564542 is 24546533.

It is a super-2 number, since 2×33564542² = 2253156959339528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33564499 and 33564508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33564541) 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, 25667 + ... + 26942.

It is an arithmetic number, because the mean of its divisors is an integer number (3551175).

Almost surely, 2^33564542 is an apocalyptic number.

33564542 is a deficient number, since it is larger than the sum of its proper divisors (23254258).

33564542 is a wasteful number, since it uses less digits than its factorization.

33564542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52651.

The product of its digits is 43200, while the sum is 32.

The square root of 33564542 is about 5793.4913480560. The cubic root of 33564542 is about 322.5721794254.

Subtracting from 33564542 its reverse (24546533), we obtain a square (9018009 = 3003²).

The spelling of 33564542 in words is "thirty-three million, five hundred sixty-four thousand, five hundred forty-two".