50665856605 has 64 divisors (see below), whose sum is σ = 77714638848. Its totient is φ = 30855686400.

The previous prime is 50665856569. The next prime is 50665856609.

50665856605 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 50665856605 - 2⁹ = 50665856093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50665856609) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1291530 + ... + 1330180.

It is an arithmetic number, because the mean of its divisors is an integer number (1214291232).

Almost surely, 2^50665856605 is an apocalyptic number.

It is an amenable number.

50665856605 is a deficient number, since it is larger than the sum of its proper divisors (27048782243).

50665856605 is a wasteful number, since it uses less digits than its factorization.

50665856605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38786.

The product of its (nonzero) digits is 6480000, while the sum is 52.

The spelling of 50665856605 in words is "fifty billion, six hundred sixty-five million, eight hundred fifty-six thousand, six hundred five".