53522303 has 4 divisors (see below), whose sum is σ = 53575248. Its totient is φ = 53469360.

The previous prime is 53522299. The next prime is 53522317. The reversal of 53522303 is 30322535.

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 53522303 - 2² = 53522299 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53522323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24926 + ... + 26987.

It is an arithmetic number, because the mean of its divisors is an integer number (13393812).

Almost surely, 2^53522303 is an apocalyptic number.

53522303 is a deficient number, since it is larger than the sum of its proper divisors (52945).

53522303 is a wasteful number, since it uses less digits than its factorization.

53522303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52944.

The product of its (nonzero) digits is 2700, while the sum is 23.

The square root of 53522303 is about 7315.8938619966. The cubic root of 53522303 is about 376.8584556834.

Adding to 53522303 its reverse (30322535), we get a palindrome (83844838).

The spelling of 53522303 in words is "fifty-three million, five hundred twenty-two thousand, three hundred three".