51729683 has 2 divisors, whose sum is σ = 51729684. Its totient is φ = 51729682.

The previous prime is 51729617. The next prime is 51729697. The reversal of 51729683 is 38692715.

51729683 is nontrivially palindromic in base 16.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51729683 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51729683.

It is not a weakly prime, because it can be changed into another prime (51729383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25864841 + 25864842.

It is an arithmetic number, because the mean of its divisors is an integer number (25864842).

Almost surely, 2^51729683 is an apocalyptic number.

51729683 is a deficient number, since it is larger than the sum of its proper divisors (1).

51729683 is an equidigital number, since it uses as much as digits as its factorization.

51729683 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 41.

The square root of 51729683 is about 7192.3350172249. The cubic root of 51729683 is about 372.6032216981.

The spelling of 51729683 in words is "fifty-one million, seven hundred twenty-nine thousand, six hundred eighty-three".