51054567199 has 2 divisors, whose sum is σ = 51054567200. Its totient is φ = 51054567198.

The previous prime is 51054567191. The next prime is 51054567257. The reversal of 51054567199 is 99176545015.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51054567199 - 2³ = 51054567191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51054567191) 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, 25527283599 + 25527283600.

It is an arithmetic number, because the mean of its divisors is an integer number (25527283600).

Almost surely, 2^51054567199 is an apocalyptic number.

51054567199 is a deficient number, since it is larger than the sum of its proper divisors (1).

51054567199 is an equidigital number, since it uses as much as digits as its factorization.

51054567199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1701000, while the sum is 52.

The spelling of 51054567199 in words is "fifty-one billion, fifty-four million, five hundred sixty-seven thousand, one hundred ninety-nine".