50500505406 has 16 divisors (see below), whose sum is σ = 108770319504. Its totient is φ = 15538617024.

The previous prime is 50500505387. The next prime is 50500505417. The reversal of 50500505406 is 60450500505.

It is a super-2 number, since 2×50500505406² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 323721111 + ... + 323721266.

It is an arithmetic number, because the mean of its divisors is an integer number (6798144969).

Almost surely, 2^50500505406 is an apocalyptic number.

50500505406 is an abundant number, since it is smaller than the sum of its proper divisors (58269814098).

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

50500505406 is a wasteful number, since it uses less digits than its factorization.

50500505406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647442395.

The product of its (nonzero) digits is 15000, while the sum is 30.

The spelling of 50500505406 in words is "fifty billion, five hundred million, five hundred five thousand, four hundred six".