53731333 has 2 divisors, whose sum is σ = 53731334. Its totient is φ = 53731332.

The previous prime is 53731331. The next prime is 53731357. The reversal of 53731333 is 33313735.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51365889 + 2365444 = 7167^2 + 1538^2 .

It is a cyclic number.

It is not a de Polignac number, because 53731333 - 2¹ = 53731331 is a prime.

It is a super-2 number, since 2×53731333² = 5774112291913778, which contains 22 as substring.

Together with 53731331, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53731331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26865666 + 26865667.

It is an arithmetic number, because the mean of its divisors is an integer number (26865667).

Almost surely, 2^53731333 is an apocalyptic number.

It is an amenable number.

53731333 is a deficient number, since it is larger than the sum of its proper divisors (1).

53731333 is an equidigital number, since it uses as much as digits as its factorization.

53731333 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8505, while the sum is 28.

The square root of 53731333 is about 7330.1659599221. The cubic root of 53731333 is about 377.3484221062.

The spelling of 53731333 in words is "fifty-three million, seven hundred thirty-one thousand, three hundred thirty-three".