51739763 has 2 divisors, whose sum is σ = 51739764. Its totient is φ = 51739762.

The previous prime is 51739733. The next prime is 51739777. The reversal of 51739763 is 36793715.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51739763 - 2¹² = 51735667 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51739763.

It is not a weakly prime, because it can be changed into another prime (51739733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25869881 + 25869882.

It is an arithmetic number, because the mean of its divisors is an integer number (25869882).

Almost surely, 2^51739763 is an apocalyptic number.

51739763 is a deficient number, since it is larger than the sum of its proper divisors (1).

51739763 is an equidigital number, since it uses as much as digits as its factorization.

51739763 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 119070, while the sum is 41.

The square root of 51739763 is about 7193.0357290924. The cubic root of 51739763 is about 372.6274218371.

The spelling of 51739763 in words is "fifty-one million, seven hundred thirty-nine thousand, seven hundred sixty-three".