51968597 has 2 divisors, whose sum is σ = 51968598. Its totient is φ = 51968596.

The previous prime is 51968593. The next prime is 51968599. The reversal of 51968597 is 79586915.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34210801 + 17757796 = 5849^2 + 4214^2 .

It is a cyclic number.

It is not a de Polignac number, because 51968597 - 2² = 51968593 is a prime.

Together with 51968599, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51968593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25984298 + 25984299.

It is an arithmetic number, because the mean of its divisors is an integer number (25984299).

Almost surely, 2^51968597 is an apocalyptic number.

It is an amenable number.

51968597 is a deficient number, since it is larger than the sum of its proper divisors (1).

51968597 is an equidigital number, since it uses as much as digits as its factorization.

51968597 is an evil number, because the sum of its binary digits is even.

The product of its digits is 680400, while the sum is 50.

The square root of 51968597 is about 7208.9248158099. The cubic root of 51968597 is about 373.1759646236.

The spelling of 51968597 in words is "fifty-one million, nine hundred sixty-eight thousand, five hundred ninety-seven".