50985658905 has 8 divisors (see below), whose sum is σ = 81577054272. Its totient is φ = 27192351408.

The previous prime is 50985658903. The next prime is 50985658909.

50985658905 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 50985658905 - 2¹ = 50985658903 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (50985658903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1699521949 + ... + 1699521978.

It is an arithmetic number, because the mean of its divisors is an integer number (10197131784).

Almost surely, 2^50985658905 is an apocalyptic number.

It is an amenable number.

50985658905 is a deficient number, since it is larger than the sum of its proper divisors (30591395367).

50985658905 is a wasteful number, since it uses less digits than its factorization.

50985658905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3399043935.

The product of its (nonzero) digits is 19440000, while the sum is 60.

The spelling of 50985658905 in words is "fifty billion, nine hundred eighty-five million, six hundred fifty-eight thousand, nine hundred five".