53531353 has 4 divisors (see below), whose sum is σ = 53553060. Its totient is φ = 53509648.

The previous prime is 53531347. The next prime is 53531369. The reversal of 53531353 is 35313535.

53531353 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 27846729 + 25684624 = 5277^2 + 5068^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53531353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53531323) 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, 6598 + ... + 12271.

It is an arithmetic number, because the mean of its divisors is an integer number (13388265).

Almost surely, 2^53531353 is an apocalyptic number.

It is an amenable number.

53531353 is a deficient number, since it is larger than the sum of its proper divisors (21707).

53531353 is a wasteful number, since it uses less digits than its factorization.

53531353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21706.

The product of its digits is 10125, while the sum is 28.

The square root of 53531353 is about 7316.5123522072. The cubic root of 53531353 is about 376.8796952827.

Adding to 53531353 its reverse (35313535), we get a palindrome (88844888).

The spelling of 53531353 in words is "fifty-three million, five hundred thirty-one thousand, three hundred fifty-three".