50172016159897 has 8 divisors (see below), whose sum is σ = 51440377024512. Its totient is φ = 48905781636000.

The previous prime is 50172016159891. The next prime is 50172016159943. The reversal of 50172016159897 is 79895161027105.

50172016159897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50172016159897 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 pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 531537393 + ... + 531631774.

It is an arithmetic number, because the mean of its divisors is an integer number (6430047128064).

Almost surely, 2^{50172016159897} is an apocalyptic number.

It is an amenable number.

50172016159897 is a deficient number, since it is larger than the sum of its proper divisors (1268360864615).

50172016159897 is a wasteful number, since it uses less digits than its factorization.

50172016159897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063170359.

The product of its (nonzero) digits is 9525600, while the sum is 61.

The spelling of 50172016159897 in words is "fifty trillion, one hundred seventy-two billion, sixteen million, one hundred fifty-nine thousand, eight hundred ninety-seven".