50529771980688 has 1920 divisors, whose sum is σ = 191507742720000. Its totient is φ = 11142059765760.

The previous prime is 50529771980671. The next prime is 50529771980717. The reversal of 50529771980688 is 88608917792505.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 33708986563 + ... + 33708988061.

It is an arithmetic number, because the mean of its divisors is an integer number (99743616000).

Almost surely, 2^{50529771980688} 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 50529771980688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95753871360000).

50529771980688 is an abundant number, since it is smaller than the sum of its proper divisors (140977970739312).

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

50529771980688 is a wasteful number, since it uses less digits than its factorization.

50529771980688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1681 (or 1664 counting only the distinct ones).

The product of its (nonzero) digits is 609638400, while the sum is 75.

The spelling of 50529771980688 in words is "fifty trillion, five hundred twenty-nine billion, seven hundred seventy-one million, nine hundred eighty thousand, six hundred eighty-eight".