33561064 has 16 divisors (see below), whose sum is σ = 63011520. Its totient is φ = 16758000.

The previous prime is 33561053. The next prime is 33561067. The reversal of 33561064 is 46016533.

It is a super-2 number, since 2×33561064² = 2252690033624192, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33561067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4689 + ... + 9439.

It is an arithmetic number, because the mean of its divisors is an integer number (3938220).

Almost surely, 2^33561064 is an apocalyptic number.

It is an amenable number.

33561064 is a deficient number, since it is larger than the sum of its proper divisors (29450456).

33561064 is a wasteful number, since it uses less digits than its factorization.

33561064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5640 (or 5636 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 33561064 is about 5793.1911758546. The cubic root of 33561064 is about 322.5610372624.

Adding to 33561064 its reverse (46016533), we get a palindrome (79577597).

The spelling of 33561064 in words is "thirty-three million, five hundred sixty-one thousand, sixty-four".