50639017 has 16 divisors (see below), whose sum is σ = 61548480. Its totient is φ = 41025600.

The previous prime is 50639011. The next prime is 50639021. The reversal of 50639017 is 71093605.

It is not a de Polignac number, because 50639017 - 2¹⁵ = 50606249 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50639017.

It is not an unprimeable number, because it can be changed into a prime (50639011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1959 + ... + 10252.

It is an arithmetic number, because the mean of its divisors is an integer number (3846780).

Almost surely, 2^50639017 is an apocalyptic number.

It is an amenable number.

50639017 is a deficient number, since it is larger than the sum of its proper divisors (10909463).

50639017 is a wasteful number, since it uses less digits than its factorization.

50639017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12264.

The product of its (nonzero) digits is 5670, while the sum is 31.

The square root of 50639017 is about 7116.1096815606. The cubic root of 50639017 is about 369.9659501171.

The spelling of 50639017 in words is "fifty million, six hundred thirty-nine thousand, seventeen".