51234210320057 has 2 divisors, whose sum is σ = 51234210320058. Its totient is φ = 51234210320056.

The previous prime is 51234210320053. The next prime is 51234210320119. The reversal of 51234210320057 is 75002301243215.

51234210320057 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., 42642153769216 + 8592056550841 = 6530096^2 + 2931221^2 .

It is a cyclic number.

It is not a de Polignac number, because 51234210320057 - 2² = 51234210320053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51234210319999 and 51234210320026.

It is not a weakly prime, because it can be changed into another prime (51234210320053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25617105160028 + 25617105160029.

It is an arithmetic number, because the mean of its divisors is an integer number (25617105160029).

Almost surely, 2^{51234210320057} is an apocalyptic number.

It is an amenable number.

51234210320057 is a deficient number, since it is larger than the sum of its proper divisors (1).

51234210320057 is an equidigital number, since it uses as much as digits as its factorization.

51234210320057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50400, while the sum is 35.

The spelling of 51234210320057 in words is "fifty-one trillion, two hundred thirty-four billion, two hundred ten million, three hundred twenty thousand, fifty-seven".