33402053 has 4 divisors (see below), whose sum is σ = 33479628. Its totient is φ = 33324480.

The previous prime is 33402029. The next prime is 33402067. The reversal of 33402053 is 35020433.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7828804 + 25573249 = 2798^2 + 5057^2 .

It is a cyclic number.

It is not a de Polignac number, because 33402053 - 2¹⁰ = 33401029 is a prime.

It is a super-2 number, since 2×33402053² = 2231394289229618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33402023) 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, 38138 + ... + 39003.

It is an arithmetic number, because the mean of its divisors is an integer number (8369907).

Almost surely, 2^33402053 is an apocalyptic number.

It is an amenable number.

33402053 is a deficient number, since it is larger than the sum of its proper divisors (77575).

33402053 is an equidigital number, since it uses as much as digits as its factorization.

33402053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77574.

The product of its (nonzero) digits is 1080, while the sum is 20.

The square root of 33402053 is about 5779.4509254773. The cubic root of 33402053 is about 322.0508034240.

Adding to 33402053 its reverse (35020433), we get a palindrome (68422486).

The spelling of 33402053 in words is "thirty-three million, four hundred two thousand, fifty-three".