50908165138 has 16 divisors (see below), whose sum is σ = 77157540864. Its totient is φ = 25189995600.

The previous prime is 50908165079. The next prime is 50908165141. The reversal of 50908165138 is 83156180905.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 151588 + ... + 353263.

It is an arithmetic number, because the mean of its divisors is an integer number (4822346304).

Almost surely, 2^50908165138 is an apocalyptic number.

50908165138 is a deficient number, since it is larger than the sum of its proper divisors (26249375726).

50908165138 is a wasteful number, since it uses less digits than its factorization.

50908165138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505377.

The product of its (nonzero) digits is 259200, while the sum is 46.

The spelling of 50908165138 in words is "fifty billion, nine hundred eight million, one hundred sixty-five thousand, one hundred thirty-eight".