50161705457 has 4 divisors (see below), whose sum is σ = 50910387696. Its totient is φ = 49413023220.

The previous prime is 50161705439. The next prime is 50161705483. The reversal of 50161705457 is 75450716105.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50161705457 - 2⁸ = 50161705201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50161705487) 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 3 ways as a sum of consecutive naturals, for example, 374341019 + ... + 374341152.

It is an arithmetic number, because the mean of its divisors is an integer number (12727596924).

Almost surely, 2^50161705457 is an apocalyptic number.

It is an amenable number.

50161705457 is a deficient number, since it is larger than the sum of its proper divisors (748682239).

50161705457 is an equidigital number, since it uses as much as digits as its factorization.

50161705457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748682238.

The product of its (nonzero) digits is 147000, while the sum is 41.

The spelling of 50161705457 in words is "fifty billion, one hundred sixty-one million, seven hundred five thousand, four hundred fifty-seven".