50071971544 has 16 divisors (see below), whose sum is σ = 107297082000. Its totient is φ = 21459416352.

The previous prime is 50071971541. The next prime is 50071971569. The reversal of 50071971544 is 44517917005.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 50071971544.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50071971541) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 447071119 + ... + 447071230.

It is an arithmetic number, because the mean of its divisors is an integer number (6706067625).

Almost surely, 2^50071971544 is an apocalyptic number.

It is an amenable number.

50071971544 is an abundant number, since it is smaller than the sum of its proper divisors (57225110456).

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

50071971544 is a wasteful number, since it uses less digits than its factorization.

50071971544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894142362 (or 894142358 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 43.

The spelling of 50071971544 in words is "fifty billion, seventy-one million, nine hundred seventy-one thousand, five hundred forty-four".