51966337 has 2 divisors, whose sum is σ = 51966338. Its totient is φ = 51966336.

The previous prime is 51966319. The next prime is 51966353. The reversal of 51966337 is 73366915.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37896336 + 14070001 = 6156^2 + 3751^2 .

51966337 is a truncatable prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51966337 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51966337.

It is not a weakly prime, because it can be changed into another prime (51966307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25983168 + 25983169.

It is an arithmetic number, because the mean of its divisors is an integer number (25983169).

Almost surely, 2^51966337 is an apocalyptic number.

It is an amenable number.

51966337 is a deficient number, since it is larger than the sum of its proper divisors (1).

51966337 is an equidigital number, since it uses as much as digits as its factorization.

51966337 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 102060, while the sum is 40.

The square root of 51966337 is about 7208.7680639621. The cubic root of 51966337 is about 373.1705550111.

The spelling of 51966337 in words is "fifty-one million, nine hundred sixty-six thousand, three hundred thirty-seven".