50169997 has 4 divisors (see below), whose sum is σ = 51788416. Its totient is φ = 48551580.

The previous prime is 50169991. The next prime is 50170027. The reversal of 50169997 is 79996105.

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 not a de Polignac number, because 50169997 - 2³ = 50169989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50169991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 809163 + ... + 809224.

It is an arithmetic number, because the mean of its divisors is an integer number (12947104).

Almost surely, 2^50169997 is an apocalyptic number.

It is an amenable number.

50169997 is a deficient number, since it is larger than the sum of its proper divisors (1618419).

50169997 is a wasteful number, since it uses less digits than its factorization.

50169997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1618418.

The product of its (nonzero) digits is 153090, while the sum is 46.

The square root of 50169997 is about 7083.0782150136. The cubic root of 50169997 is about 368.8201937809.

The spelling of 50169997 in words is "fifty million, one hundred sixty-nine thousand, nine hundred ninety-seven".