53038903 has 2 divisors, whose sum is σ = 53038904. Its totient is φ = 53038902.

The previous prime is 53038891. The next prime is 53038907. The reversal of 53038903 is 30983035.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53038903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53038907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26519451 + 26519452.

It is an arithmetic number, because the mean of its divisors is an integer number (26519452).

Almost surely, 2^53038903 is an apocalyptic number.

53038903 is a deficient number, since it is larger than the sum of its proper divisors (1).

53038903 is an equidigital number, since it uses as much as digits as its factorization.

53038903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 53038903 is about 7282.7812681695. The cubic root of 53038903 is about 375.7204590982.

The spelling of 53038903 in words is "fifty-three million, thirty-eight thousand, nine hundred three".