51544430380571 has 2 divisors, whose sum is σ = 51544430380572. Its totient is φ = 51544430380570.

The previous prime is 51544430380529. The next prime is 51544430380601. The reversal of 51544430380571 is 17508303444515.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51544430380571 - 2²⁶ = 51544363271707 is a prime.

It is not a weakly prime, because it can be changed into another prime (51544450380571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25772215190285 + 25772215190286.

It is an arithmetic number, because the mean of its divisors is an integer number (25772215190286).

Almost surely, 2^{51544430380571} is an apocalyptic number.

51544430380571 is a deficient number, since it is larger than the sum of its proper divisors (1).

51544430380571 is an equidigital number, since it uses as much as digits as its factorization.

51544430380571 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032000, while the sum is 50.

The spelling of 51544430380571 in words is "fifty-one trillion, five hundred forty-four billion, four hundred thirty million, three hundred eighty thousand, five hundred seventy-one".