51593977 has 2 divisors, whose sum is σ = 51593978. Its totient is φ = 51593976.

The previous prime is 51593959. The next prime is 51593999. The reversal of 51593977 is 77939515.

It is a happy number.

51593977 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51208336 + 385641 = 7156^2 + 621^2 .

It is a cyclic number.

It is not a de Polignac number, because 51593977 - 2⁷ = 51593849 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (51593917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25796988 + 25796989.

It is an arithmetic number, because the mean of its divisors is an integer number (25796989).

Almost surely, 2^51593977 is an apocalyptic number.

It is an amenable number.

51593977 is a deficient number, since it is larger than the sum of its proper divisors (1).

51593977 is an equidigital number, since it uses as much as digits as its factorization.

51593977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 297675, while the sum is 46.

The square root of 51593977 is about 7182.8947507255. The cubic root of 51593977 is about 372.2771112276.

The spelling of 51593977 in words is "fifty-one million, five hundred ninety-three thousand, nine hundred seventy-seven".