51700755541 has 2 divisors, whose sum is σ = 51700755542. Its totient is φ = 51700755540.

The previous prime is 51700755503. The next prime is 51700755563. The reversal of 51700755541 is 14555700715.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49466208100 + 2234547441 = 222410^2 + 47271^2 .

It is a cyclic number.

It is not a de Polignac number, because 51700755541 - 2¹¹ = 51700753493 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51700755494 and 51700755503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51700755241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25850377770 + 25850377771.

It is an arithmetic number, because the mean of its divisors is an integer number (25850377771).

Almost surely, 2^51700755541 is an apocalyptic number.

It is an amenable number.

51700755541 is a deficient number, since it is larger than the sum of its proper divisors (1).

51700755541 is an equidigital number, since it uses as much as digits as its factorization.

51700755541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122500, while the sum is 40.

The spelling of 51700755541 in words is "fifty-one billion, seven hundred million, seven hundred fifty-five thousand, five hundred forty-one".