50639996 has 12 divisors (see below), whose sum is σ = 96676440. Its totient is φ = 23018160.

The previous prime is 50639971. The next prime is 50640011. The reversal of 50639996 is 69993605.

It is a self number, because there is not a number n which added to its sum of digits gives 50639996.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 575411 + ... + 575498.

It is an arithmetic number, because the mean of its divisors is an integer number (8056370).

Almost surely, 2^50639996 is an apocalyptic number.

It is an amenable number.

50639996 is a deficient number, since it is larger than the sum of its proper divisors (46036444).

50639996 is a wasteful number, since it uses less digits than its factorization.

50639996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1150924 (or 1150922 counting only the distinct ones).

The product of its (nonzero) digits is 393660, while the sum is 47.

The square root of 50639996 is about 7116.1784688132. The cubic root of 50639996 is about 369.9683342757.

It can be divided in two parts, 50 and 639996, that added together give a palindrome (640046).

The spelling of 50639996 in words is "fifty million, six hundred thirty-nine thousand, nine hundred ninety-six".