50985639948 has 24 divisors (see below), whose sum is σ = 118970449920. Its totient is φ = 16994648080.

The previous prime is 50985639941. The next prime is 50985639949. The reversal of 50985639948 is 84993658905.

It is not an unprimeable number, because it can be changed into a prime (50985639941) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 471733 + ... + 569651.

It is an arithmetic number, because the mean of its divisors is an integer number (4957102080).

Almost surely, 2^50985639948 is an apocalyptic number.

It is an amenable number.

50985639948 is an abundant number, since it is smaller than the sum of its proper divisors (67984809972).

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

50985639948 is a wasteful number, since it uses less digits than its factorization.

50985639948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141317 (or 141315 counting only the distinct ones).

The product of its (nonzero) digits is 83980800, while the sum is 66.

The spelling of 50985639948 in words is "fifty billion, nine hundred eighty-five million, six hundred thirty-nine thousand, nine hundred forty-eight".