51738773 has 2 divisors, whose sum is σ = 51738774. Its totient is φ = 51738772.

The previous prime is 51738751. The next prime is 51738779. The reversal of 51738773 is 37783715.

51738773 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40934404 + 10804369 = 6398^2 + 3287^2 .

It is a cyclic number.

It is not a de Polignac number, because 51738773 - 2⁸ = 51738517 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51738773.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51738779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25869386 + 25869387.

It is an arithmetic number, because the mean of its divisors is an integer number (25869387).

Almost surely, 2^51738773 is an apocalyptic number.

It is an amenable number.

51738773 is a deficient number, since it is larger than the sum of its proper divisors (1).

51738773 is an equidigital number, since it uses as much as digits as its factorization.

51738773 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 123480, while the sum is 41.

The square root of 51738773 is about 7192.9669121997. The cubic root of 51738773 is about 372.6250451769.

The spelling of 51738773 in words is "fifty-one million, seven hundred thirty-eight thousand, seven hundred seventy-three".