50172002159 has 2 divisors, whose sum is σ = 50172002160. Its totient is φ = 50172002158.

The previous prime is 50172002117. The next prime is 50172002161. The reversal of 50172002159 is 95120027105.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50172002159 - 2⁸ = 50172001903 is a prime.

It is a super-2 number, since 2×50172002159² (a number of 22 digits) contains 22 as substring.

Together with 50172002161, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50172002459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25086001079 + 25086001080.

It is an arithmetic number, because the mean of its divisors is an integer number (25086001080).

Almost surely, 2^50172002159 is an apocalyptic number.

50172002159 is a deficient number, since it is larger than the sum of its proper divisors (1).

50172002159 is an equidigital number, since it uses as much as digits as its factorization.

50172002159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6300, while the sum is 32.

The spelling of 50172002159 in words is "fifty billion, one hundred seventy-two million, two thousand, one hundred fifty-nine".