52638503 has 2 divisors, whose sum is σ = 52638504. Its totient is φ = 52638502.

The previous prime is 52638463. The next prime is 52638529. The reversal of 52638503 is 30583625.

52638503 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52638503 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52638503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52638533) 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 as a sum of consecutive naturals, namely, 26319251 + 26319252.

It is an arithmetic number, because the mean of its divisors is an integer number (26319252).

Almost surely, 2^52638503 is an apocalyptic number.

52638503 is a deficient number, since it is larger than the sum of its proper divisors (1).

52638503 is an equidigital number, since it uses as much as digits as its factorization.

52638503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 52638503 is about 7255.2396928013. The cubic root of 52638503 is about 374.7726099965.

The spelling of 52638503 in words is "fifty-two million, six hundred thirty-eight thousand, five hundred three".