50516217805 has 32 divisors (see below), whose sum is σ = 64702540800. Its totient is φ = 37798156032.

The previous prime is 50516217767. The next prime is 50516217821. The reversal of 50516217805 is 50871261505.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 50516217805 - 2⁷ = 50516217677 is a prime.

It is a super-2 number, since 2×50516217805² (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 31 ways as a sum of consecutive naturals, for example, 565512 + ... + 648718.

It is an arithmetic number, because the mean of its divisors is an integer number (2021954400).

Almost surely, 2^50516217805 is an apocalyptic number.

It is an amenable number.

50516217805 is a deficient number, since it is larger than the sum of its proper divisors (14186322995).

50516217805 is a wasteful number, since it uses less digits than its factorization.

50516217805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83373.

The product of its (nonzero) digits is 84000, while the sum is 40.

The spelling of 50516217805 in words is "fifty billion, five hundred sixteen million, two hundred seventeen thousand, eight hundred five".