50705217 has 16 divisors (see below), whose sum is σ = 75458880. Its totient is φ = 33650496.

The previous prime is 50705209. The next prime is 50705219. The reversal of 50705217 is 71250705.

It is not a de Polignac number, because 50705217 - 2³ = 50705209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (50705219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1993 + ... + 10265.

It is an arithmetic number, because the mean of its divisors is an integer number (4716180).

Almost surely, 2^50705217 is an apocalyptic number.

It is an amenable number.

50705217 is a deficient number, since it is larger than the sum of its proper divisors (24753663).

50705217 is a wasteful number, since it uses less digits than its factorization.

50705217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8509 (or 8503 counting only the distinct ones).

The product of its (nonzero) digits is 2450, while the sum is 27.

The square root of 50705217 is about 7120.7595802695. The cubic root of 50705217 is about 370.1270978017.

The spelling of 50705217 in words is "fifty million, seven hundred five thousand, two hundred seventeen".