33053942 has 4 divisors (see below), whose sum is σ = 49580916. Its totient is φ = 16526970.

The previous prime is 33053903. The next prime is 33053947. The reversal of 33053942 is 24935033.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33053947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8263484 + ... + 8263487.

It is an arithmetic number, because the mean of its divisors is an integer number (12395229).

Almost surely, 2^33053942 is an apocalyptic number.

33053942 is a deficient number, since it is larger than the sum of its proper divisors (16526974).

33053942 is a wasteful number, since it uses less digits than its factorization.

33053942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16526973.

The product of its (nonzero) digits is 9720, while the sum is 29.

The square root of 33053942 is about 5749.2557779247. The cubic root of 33053942 is about 320.9281063619.

Adding to 33053942 its reverse (24935033), we get a palindrome (57988975).

The spelling of 33053942 in words is "thirty-three million, fifty-three thousand, nine hundred forty-two".