50005378018 has 16 divisors (see below), whose sum is σ = 75636541440. Its totient is φ = 24793394976.

The previous prime is 50005377973. The next prime is 50005378099. The reversal of 50005378018 is 81087350005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 469630 + ... + 566182.

It is an arithmetic number, because the mean of its divisors is an integer number (4727283840).

Almost surely, 2^50005378018 is an apocalyptic number.

50005378018 is a deficient number, since it is larger than the sum of its proper divisors (25631163422).

50005378018 is a wasteful number, since it uses less digits than its factorization.

50005378018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98721.

The product of its (nonzero) digits is 33600, while the sum is 37.

The spelling of 50005378018 in words is "fifty billion, five million, three hundred seventy-eight thousand, eighteen".