51766133 has 2 divisors, whose sum is σ = 51766134. Its totient is φ = 51766132.

The previous prime is 51766111. The next prime is 51766163. The reversal of 51766133 is 33166715.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32913169 + 18852964 = 5737^2 + 4342^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51766133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51766133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51766103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25883066 + 25883067.

It is an arithmetic number, because the mean of its divisors is an integer number (25883067).

Almost surely, 2^51766133 is an apocalyptic number.

It is an amenable number.

51766133 is a deficient number, since it is larger than the sum of its proper divisors (1).

51766133 is an equidigital number, since it uses as much as digits as its factorization.

51766133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11340, while the sum is 32.

The square root of 51766133 is about 7194.8685186041. The cubic root of 51766133 is about 372.6907162658.

The spelling of 51766133 in words is "fifty-one million, seven hundred sixty-six thousand, one hundred thirty-three".