50172016159898 has 64 divisors (see below), whose sum is σ = 79301525022720. Its totient is φ = 23776539135552.

The previous prime is 50172016159891. The next prime is 50172016159943. The reversal of 50172016159898 is 89895161027105.

50172016159898 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 50172016159898.

It is not an unprimeable number, because it can be changed into a prime (50172016159891) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 2495241161 + ... + 2495261267.

It is an arithmetic number, because the mean of its divisors is an integer number (1239086328480).

Almost surely, 2^{50172016159898} is an apocalyptic number.

50172016159898 is a deficient number, since it is larger than the sum of its proper divisors (29129508862822).

50172016159898 is a wasteful number, since it uses less digits than its factorization.

50172016159898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22251.

The product of its (nonzero) digits is 10886400, while the sum is 62.

The spelling of 50172016159898 in words is "fifty trillion, one hundred seventy-two billion, sixteen million, one hundred fifty-nine thousand, eight hundred ninety-eight".