51544056564983 has 2 divisors, whose sum is σ = 51544056564984. Its totient is φ = 51544056564982.

The previous prime is 51544056564887. The next prime is 51544056565081. The reversal of 51544056564983 is 38946565044515.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51544056564983 - 2⁸ = 51544056564727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51544056564283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25772028282491 + 25772028282492.

It is an arithmetic number, because the mean of its divisors is an integer number (25772028282492).

Almost surely, 2^{51544056564983} is an apocalyptic number.

51544056564983 is a deficient number, since it is larger than the sum of its proper divisors (1).

51544056564983 is an equidigital number, since it uses as much as digits as its factorization.

51544056564983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 311040000, while the sum is 65.

The spelling of 51544056564983 in words is "fifty-one trillion, five hundred forty-four billion, fifty-six million, five hundred sixty-four thousand, nine hundred eighty-three".