53271503 has 2 divisors, whose sum is σ = 53271504. Its totient is φ = 53271502.

The previous prime is 53271481. The next prime is 53271509. The reversal of 53271503 is 30517235.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53271503 - 2⁸ = 53271247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53271509) 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, 26635751 + 26635752.

It is an arithmetic number, because the mean of its divisors is an integer number (26635752).

Almost surely, 2^53271503 is an apocalyptic number.

53271503 is a deficient number, since it is larger than the sum of its proper divisors (1).

53271503 is an equidigital number, since it uses as much as digits as its factorization.

53271503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3150, while the sum is 26.

The square root of 53271503 is about 7298.7329722357. The cubic root of 53271503 is about 376.2688938758.

Adding to 53271503 its reverse (30517235), we get a palindrome (83788738).

The spelling of 53271503 in words is "fifty-three million, two hundred seventy-one thousand, five hundred three".