50820966 has 64 divisors (see below), whose sum is σ = 133263360. Its totient is φ = 14048640.

The previous prime is 50820949. The next prime is 50820971. The reversal of 50820966 is 66902805.

It is a self number, because there is not a number n which added to its sum of digits gives 50820966.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9550 + ... + 13886.

It is an arithmetic number, because the mean of its divisors is an integer number (2082240).

Almost surely, 2^50820966 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50820966, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66631680).

50820966 is an abundant number, since it is smaller than the sum of its proper divisors (82442394).

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

50820966 is a wasteful number, since it uses less digits than its factorization.

50820966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4386 (or 4380 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 50820966 is about 7128.8825211249. The cubic root of 50820966 is about 370.4085236965.

The spelling of 50820966 in words is "fifty million, eight hundred twenty thousand, nine hundred sixty-six".