50665650 has 96 divisors (see below), whose sum is σ = 145788288. Its totient is φ = 11404800.

The previous prime is 50665649. The next prime is 50665669. The reversal of 50665650 is 5656605.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 76320 + ... + 76980.

It is an arithmetic number, because the mean of its divisors is an integer number (1518628).

Almost surely, 2^50665650 is an apocalyptic number.

50665650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 50665650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72894144).

50665650 is an abundant number, since it is smaller than the sum of its proper divisors (95122638).

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

50665650 is a wasteful number, since it uses less digits than its factorization.

50665650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756 (or 751 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 33.

The square root of 50665650 is about 7117.9807529945. The cubic root of 50665650 is about 370.0307985076.

It can be divided in two parts, 50665 and 650, that added together give a palindrome (51315).

The spelling of 50665650 in words is "fifty million, six hundred sixty-five thousand, six hundred fifty".