50831217 has 6 divisors (see below), whose sum is σ = 73422882. Its totient is φ = 33887472.

The previous prime is 50831197. The next prime is 50831233. The reversal of 50831217 is 71213805.

It can be written as a sum of positive squares in only one way, i.e., 44675856 + 6155361 = 6684^2 + 2481^2 .

It is not a de Polignac number, because 50831217 - 2⁶ = 50831153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50831317) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2823948 + ... + 2823965.

It is an arithmetic number, because the mean of its divisors is an integer number (12237147).

Almost surely, 2^50831217 is an apocalyptic number.

It is an amenable number.

50831217 is a deficient number, since it is larger than the sum of its proper divisors (22591665).

50831217 is a wasteful number, since it uses less digits than its factorization.

50831217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5647919 (or 5647916 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 50831217 is about 7129.6014615124. The cubic root of 50831217 is about 370.4334268208.

The spelling of 50831217 in words is "fifty million, eight hundred thirty-one thousand, two hundred seventeen".