53532313 has 4 divisors (see below), whose sum is σ = 53583460. Its totient is φ = 53481168.

The previous prime is 53532307. The next prime is 53532331. The reversal of 53532313 is 31323535.

It is a happy number.

53532313 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 can be written as a sum of positive squares in 2 ways, for example, as 35664784 + 17867529 = 5972^2 + 4227^2 .

It is a cyclic number.

It is not a de Polignac number, because 53532313 - 2²¹ = 51435161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53532373) 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, 23970 + ... + 26107.

It is an arithmetic number, because the mean of its divisors is an integer number (13395865).

Almost surely, 2^53532313 is an apocalyptic number.

It is an amenable number.

53532313 is a deficient number, since it is larger than the sum of its proper divisors (51147).

53532313 is a wasteful number, since it uses less digits than its factorization.

53532313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51146.

The product of its digits is 4050, while the sum is 25.

The square root of 53532313 is about 7316.5779569413. The cubic root of 53532313 is about 376.8819481827.

Adding to 53532313 its reverse (31323535), we get a palindrome (84855848).

The spelling of 53532313 in words is "fifty-three million, five hundred thirty-two thousand, three hundred thirteen".