53505303 has 4 divisors (see below), whose sum is σ = 71340408. Its totient is φ = 35670200.

The previous prime is 53505301. The next prime is 53505323. The reversal of 53505303 is 30350535.

53505303 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 is a cyclic number.

It is not a de Polignac number, because 53505303 - 2¹ = 53505301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53505301) 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, 8917548 + ... + 8917553.

It is an arithmetic number, because the mean of its divisors is an integer number (17835102).

Almost surely, 2^53505303 is an apocalyptic number.

53505303 is a deficient number, since it is larger than the sum of its proper divisors (17835105).

53505303 is a wasteful number, since it uses less digits than its factorization.

53505303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17835104.

The product of its (nonzero) digits is 3375, while the sum is 24.

The square root of 53505303 is about 7314.7319157984. The cubic root of 53505303 is about 376.8185516197.

Adding to 53505303 its reverse (30350535), we get a palindrome (83855838).

The spelling of 53505303 in words is "fifty-three million, five hundred five thousand, three hundred three".