53233765 has 16 divisors (see below), whose sum is σ = 68972400. Its totient is φ = 39209472.

The previous prime is 53233757. The next prime is 53233769. The reversal of 53233765 is 56733235.

It can be written as a sum of positive squares in 8 ways, for example, as 2553604 + 50680161 = 1598^2 + 7119^2 .

It is a cyclic number.

It is not a de Polignac number, because 53233765 - 2³ = 53233757 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53233765.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53233769) 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 in 15 ways as a sum of consecutive naturals, for example, 32281 + ... + 33889.

It is an arithmetic number, because the mean of its divisors is an integer number (4310775).

Almost surely, 2^53233765 is an apocalyptic number.

It is an amenable number.

53233765 is a deficient number, since it is larger than the sum of its proper divisors (15738635).

53233765 is a wasteful number, since it uses less digits than its factorization.

53233765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2136.

The product of its digits is 56700, while the sum is 34.

The square root of 53233765 is about 7296.1472709917. The cubic root of 53233765 is about 376.1800221583.

The spelling of 53233765 in words is "fifty-three million, two hundred thirty-three thousand, seven hundred sixty-five".