53509103 has 2 divisors, whose sum is σ = 53509104. Its totient is φ = 53509102.

The previous prime is 53509097. The next prime is 53509117. The reversal of 53509103 is 30190535.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53509103 - 2⁴ = 53509087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53509123) 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 as a sum of consecutive naturals, namely, 26754551 + 26754552.

It is an arithmetic number, because the mean of its divisors is an integer number (26754552).

Almost surely, 2^53509103 is an apocalyptic number.

53509103 is a deficient number, since it is larger than the sum of its proper divisors (1).

53509103 is an equidigital number, since it uses as much as digits as its factorization.

53509103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2025, while the sum is 26.

The square root of 53509103 is about 7314.9916609659. The cubic root of 53509103 is about 376.8274720850.

Adding to 53509103 its reverse (30190535), we get a palindrome (83699638).

The spelling of 53509103 in words is "fifty-three million, five hundred nine thousand, one hundred three".