50086518405 has 64 divisors (see below), whose sum is σ = 101952000000. Its totient is φ = 20815152960.

The previous prime is 50086518401. The next prime is 50086518439. The reversal of 50086518405 is 50481568005.

It is not a de Polignac number, because 50086518405 - 2² = 50086518401 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50086518401) 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 63 ways as a sum of consecutive naturals, for example, 385905 + ... + 499094.

It is an arithmetic number, because the mean of its divisors is an integer number (1593000000).

Almost surely, 2^50086518405 is an apocalyptic number.

50086518405 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

50086518405 is an abundant number, since it is smaller than the sum of its proper divisors (51865481595).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50086518405 is a wasteful number, since it uses less digits than its factorization.

50086518405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885039 (or 885025 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 42.

The spelling of 50086518405 in words is "fifty billion, eighty-six million, five hundred eighteen thousand, four hundred five".