50172016159943 has 2 divisors, whose sum is σ = 50172016159944. Its totient is φ = 50172016159942.

The previous prime is 50172016159891. The next prime is 50172016159973. The reversal of 50172016159943 is 34995161027105.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50172016159943 - 2⁸ = 50172016159687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50172016159973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25086008079971 + 25086008079972.

It is an arithmetic number, because the mean of its divisors is an integer number (25086008079972).

Almost surely, 2^{50172016159943} is an apocalyptic number.

50172016159943 is a deficient number, since it is larger than the sum of its proper divisors (1).

50172016159943 is an equidigital number, since it uses as much as digits as its factorization.

50172016159943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2041200, while the sum is 53.

The spelling of 50172016159943 in words is "fifty trillion, one hundred seventy-two billion, sixteen million, one hundred fifty-nine thousand, nine hundred forty-three".