53945033 has 4 divisors (see below), whose sum is σ = 54257028. Its totient is φ = 53633040.

The previous prime is 53945027. The next prime is 53945039. The reversal of 53945033 is 33054935.

53945033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an interprime number because it is at equal distance from previous prime (53945027) and next prime (53945039).

It can be written as a sum of positive squares in 2 ways, for example, as 33269824 + 20675209 = 5768^2 + 4547^2 .

It is a cyclic number.

It is not a de Polignac number, because 53945033 - 2⁸ = 53944777 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53945039) 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 3 ways as a sum of consecutive naturals, for example, 155738 + ... + 156083.

It is an arithmetic number, because the mean of its divisors is an integer number (13564257).

Almost surely, 2^53945033 is an apocalyptic number.

It is an amenable number.

53945033 is a deficient number, since it is larger than the sum of its proper divisors (311995).

53945033 is a wasteful number, since it uses less digits than its factorization.

53945033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311994.

The product of its (nonzero) digits is 24300, while the sum is 32.

The square root of 53945033 is about 7344.7282454833. The cubic root of 53945033 is about 377.8480231319.

Adding to 53945033 its reverse (33054935), we get a palindrome (86999968).

The spelling of 53945033 in words is "fifty-three million, nine hundred forty-five thousand, thirty-three".