53303103 has 20 divisors (see below), whose sum is σ = 91001680. Its totient is φ = 30458592.

The previous prime is 53303099. The next prime is 53303141. The reversal of 53303103 is 30130335.

It is not a de Polignac number, because 53303103 - 2² = 53303099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53303153) 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 19 ways as a sum of consecutive naturals, for example, 46438 + ... + 47571.

It is an arithmetic number, because the mean of its divisors is an integer number (4550084).

Almost surely, 2^53303103 is an apocalyptic number.

53303103 is a deficient number, since it is larger than the sum of its proper divisors (37698577).

53303103 is an equidigital number, since it uses as much as digits as its factorization.

53303103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94028 (or 94019 counting only the distinct ones).

The product of its (nonzero) digits is 405, while the sum is 18.

The square root of 53303103 is about 7300.8974105928. The cubic root of 53303103 is about 376.3432785288.

Adding to 53303103 its reverse (30130335), we get a palindrome (83433438).

The spelling of 53303103 in words is "fifty-three million, three hundred three thousand, one hundred three".