50689066652 has 72 divisors (see below), whose sum is σ = 105720189120. Its totient is φ = 21195457920.

The previous prime is 50689066639. The next prime is 50689066667. The reversal of 50689066652 is 25666098605.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a junction number, because it is equal to n+sod(n) for n = 50689066594 and 50689066603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1866749 + ... + 1893707.

It is an arithmetic number, because the mean of its divisors is an integer number (1468335960).

Almost surely, 2^50689066652 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 50689066652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52860094560).

50689066652 is an abundant number, since it is smaller than the sum of its proper divisors (55031122468).

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

50689066652 is a wasteful number, since it uses less digits than its factorization.

50689066652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27211 (or 27202 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 53.

The spelling of 50689066652 in words is "fifty billion, six hundred eighty-nine million, sixty-six thousand, six hundred fifty-two".