50172016159899 has 8 divisors (see below), whose sum is σ = 74328912829520. Its totient is φ = 33448010773248.

The previous prime is 50172016159891. The next prime is 50172016159943. The reversal of 50172016159899 is 99895161027105.

50172016159899 is a `hidden beast` number, since 5 + 0 + 1 + 7 + 2 + 0 + 1 + 615 + 9 + 8 + 9 + 9 = 666.

It is not a de Polignac number, because 50172016159899 - 2³ = 50172016159891 is a prime.

It is a Duffinian number.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 929111410342 + ... + 929111410395.

It is an arithmetic number, because the mean of its divisors is an integer number (9291114103690).

Almost surely, 2^{50172016159899} is an apocalyptic number.

50172016159899 is a deficient number, since it is larger than the sum of its proper divisors (24156896669621).

50172016159899 is a wasteful number, since it uses less digits than its factorization.

50172016159899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1858222820746 (or 1858222820740 counting only the distinct ones).

The product of its (nonzero) digits is 12247200, while the sum is 63.

The spelling of 50172016159899 in words is "fifty trillion, one hundred seventy-two billion, sixteen million, one hundred fifty-nine thousand, eight hundred ninety-nine".