52443503 has 4 divisors (see below), whose sum is σ = 59935440. Its totient is φ = 44951568.

The previous prime is 52443491. The next prime is 52443527. The reversal of 52443503 is 30534425.

52443503 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 52443503 - 2⁸ = 52443247 is a prime.

It is a super-2 number, since 2×52443503² = 5500642013822018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52443593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3745958 + ... + 3745971.

It is an arithmetic number, because the mean of its divisors is an integer number (14983860).

Almost surely, 2^52443503 is an apocalyptic number.

52443503 is a deficient number, since it is larger than the sum of its proper divisors (7491937).

52443503 is an equidigital number, since it uses as much as digits as its factorization.

52443503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7491936.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 52443503 is about 7241.7886602690. The cubic root of 52443503 is about 374.3092540643.

Adding to 52443503 its reverse (30534425), we get a palindrome (82977928).

The spelling of 52443503 in words is "fifty-two million, four hundred forty-three thousand, five hundred three".