51055701535687 has 2 divisors, whose sum is σ = 51055701535688. Its totient is φ = 51055701535686.

The previous prime is 51055701535673. The next prime is 51055701535771. The reversal of 51055701535687 is 78653510755015.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51055701535687 - 2²³ = 51055693147079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51055701535637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25527850767843 + 25527850767844.

It is an arithmetic number, because the mean of its divisors is an integer number (25527850767844).

Almost surely, 2^{51055701535687} is an apocalyptic number.

51055701535687 is a deficient number, since it is larger than the sum of its proper divisors (1).

51055701535687 is an equidigital number, since it uses as much as digits as its factorization.

51055701535687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22050000, while the sum is 58.

The spelling of 51055701535687 in words is "fifty-one trillion, fifty-five billion, seven hundred one million, five hundred thirty-five thousand, six hundred eighty-seven".