51729383 has 2 divisors, whose sum is σ = 51729384. Its totient is φ = 51729382.

The previous prime is 51729361. The next prime is 51729397. The reversal of 51729383 is 38392715.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51729383 - 2⁶ = 51729319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51729583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25864691 + 25864692.

It is an arithmetic number, because the mean of its divisors is an integer number (25864692).

Almost surely, 2^51729383 is an apocalyptic number.

51729383 is a deficient number, since it is larger than the sum of its proper divisors (1).

51729383 is an equidigital number, since it uses as much as digits as its factorization.

51729383 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 38.

The square root of 51729383 is about 7192.3141616590. The cubic root of 51729383 is about 372.6025014077.

The spelling of 51729383 in words is "fifty-one million, seven hundred twenty-nine thousand, three hundred eighty-three".