51796237 has 2 divisors, whose sum is σ = 51796238. Its totient is φ = 51796236.

The previous prime is 51796187. The next prime is 51796267. The reversal of 51796237 is 73269715.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33767721 + 18028516 = 5811^2 + 4246^2 .

It is a cyclic number.

It is not a de Polignac number, because 51796237 - 2²³ = 43407629 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51796237.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51796267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25898118 + 25898119.

It is an arithmetic number, because the mean of its divisors is an integer number (25898119).

Almost surely, 2^51796237 is an apocalyptic number.

It is an amenable number.

51796237 is a deficient number, since it is larger than the sum of its proper divisors (1).

51796237 is an equidigital number, since it uses as much as digits as its factorization.

51796237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 79380, while the sum is 40.

The square root of 51796237 is about 7196.9602611102. The cubic root of 51796237 is about 372.7629469343.

The spelling of 51796237 in words is "fifty-one million, seven hundred ninety-six thousand, two hundred thirty-seven".