33053955 has 32 divisors (see below), whose sum is σ = 58095360. Its totient is φ = 15914880.

The previous prime is 33053947. The next prime is 33053957. The reversal of 33053955 is 55935033.

It is not a de Polignac number, because 33053955 - 2³ = 33053947 is a prime.

It is a super-2 number, since 2×33053955² = 2185127882284050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (33053957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26281 + ... + 27509.

It is an arithmetic number, because the mean of its divisors is an integer number (1815480).

Almost surely, 2^33053955 is an apocalyptic number.

33053955 is a deficient number, since it is larger than the sum of its proper divisors (25041405).

33053955 is a wasteful number, since it uses less digits than its factorization.

33053955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1411.

The product of its (nonzero) digits is 30375, while the sum is 33.

The square root of 33053955 is about 5749.2569085057. The cubic root of 33053955 is about 320.9281484352.

Adding to 33053955 its reverse (55935033), we get a palindrome (88988988).

It can be divided in two parts, 3305 and 3955, that added together give a triangular number (7260 = T₁₂₀).

The spelling of 33053955 in words is "thirty-three million, fifty-three thousand, nine hundred fifty-five".