33053690 has 16 divisors (see below), whose sum is σ = 60763392. Its totient is φ = 12939984.

The previous prime is 33053689. The next prime is 33053693. The reversal of 33053690 is 9635033.

It is a super-2 number, since 2×33053690² = 2185092845232200, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (33053693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34694 + ... + 35633.

It is an arithmetic number, because the mean of its divisors is an integer number (3797712).

Almost surely, 2^33053690 is an apocalyptic number.

33053690 is a deficient number, since it is larger than the sum of its proper divisors (27709702).

33053690 is a wasteful number, since it uses less digits than its factorization.

33053690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70381.

The product of its (nonzero) digits is 7290, while the sum is 29.

The square root of 33053690 is about 5749.2338620028. The cubic root of 33053690 is about 320.9272907851.

The spelling of 33053690 in words is "thirty-three million, fifty-three thousand, six hundred ninety".