50839688969880 has 128 divisors (see below), whose sum is σ = 159247565568000. Its totient is φ = 12959881882112.

The previous prime is 50839688969869. The next prime is 50839688969897. The reversal of 50839688969880 is 8896988693805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1108080 + ... + 10144319.

It is an arithmetic number, because the mean of its divisors is an integer number (1244121606000).

Almost surely, 2^{50839688969880} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50839688969880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79623782784000).

50839688969880 is an abundant number, since it is smaller than the sum of its proper divisors (108407876598120).

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

50839688969880 is a wasteful number, since it uses less digits than its factorization.

50839688969880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11254073 (or 11254069 counting only the distinct ones).

The product of its (nonzero) digits is 12899450880, while the sum is 87.

The spelling of 50839688969880 in words is "fifty trillion, eight hundred thirty-nine billion, six hundred eighty-eight million, nine hundred sixty-nine thousand, eight hundred eighty".