51975841793 has 2 divisors, whose sum is σ = 51975841794. Its totient is φ = 51975841792.

The previous prime is 51975841733. The next prime is 51975841889. The reversal of 51975841793 is 39714857915.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43335581584 + 8640260209 = 208172^2 + 92953^2 .

It is a cyclic number.

It is not a de Polignac number, because 51975841793 - 2²² = 51971647489 is a prime.

It is not a weakly prime, because it can be changed into another prime (51975841703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25987920896 + 25987920897.

It is an arithmetic number, because the mean of its divisors is an integer number (25987920897).

Almost surely, 2^51975841793 is an apocalyptic number.

It is an amenable number.

51975841793 is a deficient number, since it is larger than the sum of its proper divisors (1).

51975841793 is an equidigital number, since it uses as much as digits as its factorization.

51975841793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9525600, while the sum is 59.

The spelling of 51975841793 in words is "fifty-one billion, nine hundred seventy-five million, eight hundred forty-one thousand, seven hundred ninety-three".