50689836 has 72 divisors (see below), whose sum is σ = 134918784. Its totient is φ = 16024320.

The previous prime is 50689823. The next prime is 50689901. The reversal of 50689836 is 63898605.

50689836 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 50689791 and 50689800.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58720 + ... + 59576.

It is an arithmetic number, because the mean of its divisors is an integer number (1873872).

Almost surely, 2^50689836 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50689836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67459392).

50689836 is an abundant number, since it is smaller than the sum of its proper divisors (84228948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50689836 is a wasteful number, since it uses less digits than its factorization.

50689836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 951 (or 946 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 50689836 is about 7119.6794871679. The cubic root of 50689836 is about 370.0896690389.

The spelling of 50689836 in words is "fifty million, six hundred eighty-nine thousand, eight hundred thirty-six".