52530503 has 4 divisors (see below), whose sum is σ = 52618800. Its totient is φ = 52442208.

The previous prime is 52530437. The next prime is 52530509. The reversal of 52530503 is 30503525.

It is a happy number.

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 52530503 - 2²² = 48336199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52530509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43250 + ... + 44447.

It is an arithmetic number, because the mean of its divisors is an integer number (13154700).

Almost surely, 2^52530503 is an apocalyptic number.

52530503 is a deficient number, since it is larger than the sum of its proper divisors (88297).

52530503 is an equidigital number, since it uses as much as digits as its factorization.

52530503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88296.

The product of its (nonzero) digits is 2250, while the sum is 23.

The square root of 52530503 is about 7247.7929744164. The cubic root of 52530503 is about 374.5161237571.

The spelling of 52530503 in words is "fifty-two million, five hundred thirty thousand, five hundred three".