53971333 has 6 divisors (see below), whose sum is σ = 58442514. Its totient is φ = 49819536.

The previous prime is 53971327. The next prime is 53971361. The reversal of 53971333 is 33317935.

It is a happy number.

53971333 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 1292769 + 52678564 = 1137^2 + 7258^2 .

It is not a de Polignac number, because 53971333 - 2⁵ = 53971301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53971033) 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 5 ways as a sum of consecutive naturals, for example, 159510 + ... + 159847.

It is an arithmetic number, because the mean of its divisors is an integer number (9740419).

Almost surely, 2^53971333 is an apocalyptic number.

It is an amenable number.

53971333 is a deficient number, since it is larger than the sum of its proper divisors (4471181).

53971333 is a wasteful number, since it uses less digits than its factorization.

53971333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319383 (or 319370 counting only the distinct ones).

The product of its digits is 25515, while the sum is 34.

The square root of 53971333 is about 7346.5184271191. The cubic root of 53971333 is about 377.9094176537.

The spelling of 53971333 in words is "fifty-three million, nine hundred seventy-one thousand, three hundred thirty-three".