53448503 has 4 divisors (see below), whose sum is σ = 53532528. Its totient is φ = 53364480.

The previous prime is 53448491. The next prime is 53448509. The reversal of 53448503 is 30584435.

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 53448503 - 2⁴ = 53448487 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53448503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53448509) 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, 41051 + ... + 42332.

It is an arithmetic number, because the mean of its divisors is an integer number (13383132).

Almost surely, 2^53448503 is an apocalyptic number.

53448503 is a deficient number, since it is larger than the sum of its proper divisors (84025).

53448503 is an equidigital number, since it uses as much as digits as its factorization.

53448503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84024.

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 53448503 is about 7310.8483091909. The cubic root of 53448503 is about 376.6851637700.

The spelling of 53448503 in words is "fifty-three million, four hundred forty-eight thousand, five hundred three".