50660720 has 80 divisors (see below), whose sum is σ = 134134272. Its totient is φ = 17614080.

The previous prime is 50660719. The next prime is 50660723. The reversal of 50660720 is 2706605.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 50660720.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50660723) 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, 18989 + ... + 21491.

Almost surely, 2^50660720 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 50660720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67067136).

50660720 is an abundant number, since it is smaller than the sum of its proper divisors (83473552).

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

50660720 is a wasteful number, since it uses less digits than its factorization.

50660720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2550 (or 2544 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 50660720 is about 7117.6344384915. The cubic root of 50660720 is about 370.0187962207.

The spelling of 50660720 in words is "fifty million, six hundred sixty thousand, seven hundred twenty".