53243733 has 8 divisors (see below), whose sum is σ = 71364096. Its totient is φ = 35309600.

The previous prime is 53243731. The next prime is 53243737. The reversal of 53243733 is 33734235.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53243733 - 2¹ = 53243731 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53243733.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53243731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45888 + ... + 47033.

It is an arithmetic number, because the mean of its divisors is an integer number (8920512).

Almost surely, 2^53243733 is an apocalyptic number.

It is an amenable number.

53243733 is a deficient number, since it is larger than the sum of its proper divisors (18120363).

53243733 is a wasteful number, since it uses less digits than its factorization.

53243733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93115.

The product of its digits is 22680, while the sum is 30.

The square root of 53243733 is about 7296.8303392638. The cubic root of 53243733 is about 376.2035005430.

Adding to 53243733 its reverse (33734235), we get a palindrome (86977968).

The spelling of 53243733 in words is "fifty-three million, two hundred forty-three thousand, seven hundred thirty-three".