50521105506 has 16 divisors (see below), whose sum is σ = 101079000000. Its totient is φ = 16834237008.

The previous prime is 50521105501. The next prime is 50521105513. The reversal of 50521105506 is 60550112505.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50521105501) by changing a digit.

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, 1515006 + ... + 1547993.

It is an arithmetic number, because the mean of its divisors is an integer number (6317437500).

Almost surely, 2^50521105506 is an apocalyptic number.

50521105506 is an abundant number, since it is smaller than the sum of its proper divisors (50557894494).

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

50521105506 is a wasteful number, since it uses less digits than its factorization.

50521105506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3065753.

The product of its (nonzero) digits is 7500, while the sum is 30.

The spelling of 50521105506 in words is "fifty billion, five hundred twenty-one million, one hundred five thousand, five hundred six".