53103989443 has 2 divisors, whose sum is σ = 53103989444. Its totient is φ = 53103989442.

The previous prime is 53103989431. The next prime is 53103989453. The reversal of 53103989443 is 34498930135.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53103989443 is a prime.

It is not a weakly prime, because it can be changed into another prime (53103989453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26551994721 + 26551994722.

It is an arithmetic number, because the mean of its divisors is an integer number (26551994722).

Almost surely, 2^53103989443 is an apocalyptic number.

53103989443 is a deficient number, since it is larger than the sum of its proper divisors (1).

53103989443 is an equidigital number, since it uses as much as digits as its factorization.

53103989443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1399680, while the sum is 49.

The spelling of 53103989443 in words is "fifty-three billion, one hundred three million, nine hundred eighty-nine thousand, four hundred forty-three".