50816365867 has 4 divisors (see below), whose sum is σ = 51387336360. Its totient is φ = 50245395376.

The previous prime is 50816365843. The next prime is 50816365877. The reversal of 50816365867 is 76856361805.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 50816365867 - 2⁷ = 50816365739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50816365877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285485113 + ... + 285485290.

It is an arithmetic number, because the mean of its divisors is an integer number (12846834090).

Almost surely, 2^50816365867 is an apocalyptic number.

50816365867 is a deficient number, since it is larger than the sum of its proper divisors (570970493).

50816365867 is an equidigital number, since it uses as much as digits as its factorization.

50816365867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570970492.

The product of its (nonzero) digits is 7257600, while the sum is 55.

The spelling of 50816365867 in words is "fifty billion, eight hundred sixteen million, three hundred sixty-five thousand, eight hundred sixty-seven".