51903344027 has 2 divisors, whose sum is σ = 51903344028. Its totient is φ = 51903344026.

The previous prime is 51903344021. The next prime is 51903344029. The reversal of 51903344027 is 72044330915.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51903344027 - 2⁶ = 51903343963 is a prime.

Together with 51903344029, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (51903344021) 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, 25951672013 + 25951672014.

It is an arithmetic number, because the mean of its divisors is an integer number (25951672014).

Almost surely, 2^51903344027 is an apocalyptic number.

51903344027 is a deficient number, since it is larger than the sum of its proper divisors (1).

51903344027 is an equidigital number, since it uses as much as digits as its factorization.

51903344027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 38.

The spelling of 51903344027 in words is "fifty-one billion, nine hundred three million, three hundred forty-four thousand, twenty-seven".