50516697651840 has 1024 divisors, whose sum is σ = 207592906752000. Its totient is φ = 11371737858048.

The previous prime is 50516697651839. The next prime is 50516697651851. The reversal of 50516697651840 is 4815679661505.

50516697651840 is a `hidden beast` number, since 5 + 0 + 5 + 1 + 6 + 6 + 9 + 76 + 518 + 40 = 666.

50516697651840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

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 127 ways as a sum of consecutive naturals, for example, 2201823409 + ... + 2201846351.

It is an arithmetic number, because the mean of its divisors is an integer number (202727448000).

Almost surely, 2^{50516697651840} 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 50516697651840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103796453376000).

50516697651840 is an abundant number, since it is smaller than the sum of its proper divisors (157076209100160).

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

50516697651840 is a wasteful number, since it uses less digits than its factorization.

50516697651840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23254 (or 23236 counting only the distinct ones).

The product of its (nonzero) digits is 54432000, while the sum is 63.

The spelling of 50516697651840 in words is "fifty trillion, five hundred sixteen billion, six hundred ninety-seven million, six hundred fifty-one thousand, eight hundred forty".