53398903 has 2 divisors, whose sum is σ = 53398904. Its totient is φ = 53398902.

The previous prime is 53398897. The next prime is 53398979. The reversal of 53398903 is 30989335.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53398903 - 2⁵ = 53398871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53398993) 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 as a sum of consecutive naturals, namely, 26699451 + 26699452.

It is an arithmetic number, because the mean of its divisors is an integer number (26699452).

Almost surely, 2^53398903 is an apocalyptic number.

53398903 is a deficient number, since it is larger than the sum of its proper divisors (1).

53398903 is an equidigital number, since it uses as much as digits as its factorization.

53398903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 87480, while the sum is 40.

The square root of 53398903 is about 7307.4553026344. The cubic root of 53398903 is about 376.5686069256.

The spelling of 53398903 in words is "fifty-three million, three hundred ninety-eight thousand, nine hundred three".