51375617030057 has 2 divisors, whose sum is σ = 51375617030058. Its totient is φ = 51375617030056.

The previous prime is 51375617030039. The next prime is 51375617030083. The reversal of 51375617030057 is 75003071657315.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50988968110336 + 386648919721 = 7140656^2 + 621811^2 .

It is a cyclic number.

It is not a de Polignac number, because 51375617030057 - 2⁸ = 51375617029801 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51375617029987 and 51375617030014.

It is not a weakly prime, because it can be changed into another prime (51375617030027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25687808515028 + 25687808515029.

It is an arithmetic number, because the mean of its divisors is an integer number (25687808515029).

Almost surely, 2^{51375617030057} is an apocalyptic number.

It is an amenable number.

51375617030057 is a deficient number, since it is larger than the sum of its proper divisors (1).

51375617030057 is an equidigital number, since it uses as much as digits as its factorization.

51375617030057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2315250, while the sum is 50.

The spelling of 51375617030057 in words is "fifty-one trillion, three hundred seventy-five billion, six hundred seventeen million, thirty thousand, fifty-seven".