50000006505 has 16 divisors (see below), whose sum is σ = 80031579840. Its totient is φ = 26656147008.

The previous prime is 50000006489. The next prime is 50000006513. The reversal of 50000006505 is 50560000005.

It is not a de Polignac number, because 50000006505 - 2⁴ = 50000006489 is a prime.

It is a Curzon number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 618342 + ... + 694511.

It is an arithmetic number, because the mean of its divisors is an integer number (5001973740).

Almost surely, 2^50000006505 is an apocalyptic number.

It is an amenable number.

50000006505 is a deficient number, since it is larger than the sum of its proper divisors (30031573335).

50000006505 is a wasteful number, since it uses less digits than its factorization.

50000006505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1315400.

The product of its (nonzero) digits is 750, while the sum is 21.

The spelling of 50000006505 in words is "fifty billion, six thousand, five hundred five".