50840217 has 48 divisors (see below), whose sum is σ = 83446272. Its totient is φ = 30792960.

The previous prime is 50840171. The next prime is 50840221. The reversal of 50840217 is 71204805.

It is not a de Polignac number, because 50840217 - 2¹⁹ = 50315929 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 (50840227) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 127863 + ... + 128259.

It is an arithmetic number, because the mean of its divisors is an integer number (1738464).

Almost surely, 2^50840217 is an apocalyptic number.

It is an amenable number.

50840217 is a deficient number, since it is larger than the sum of its proper divisors (32606055).

50840217 is a wasteful number, since it uses less digits than its factorization.

50840217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460 (or 448 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 50840217 is about 7130.2326049015. The cubic root of 50840217 is about 370.4552880857.

The spelling of 50840217 in words is "fifty million, eight hundred forty thousand, two hundred seventeen".