50785920 has 128 divisors (see below), whose sum is σ = 179928000. Its totient is φ = 13538304.

The previous prime is 50785913. The next prime is 50785927. The reversal of 50785920 is 2958705.

It is an interprime number because it is at equal distance from previous prime (50785913) and next prime (50785927).

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (50785927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15811 + ... + 18749.

Almost surely, 2^50785920 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 50785920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89964000).

50785920 is an abundant number, since it is smaller than the sum of its proper divisors (129142080).

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

50785920 is a wasteful number, since it uses less digits than its factorization.

50785920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2967 (or 2949 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 50785920 is about 7126.4240682126. The cubic root of 50785920 is about 370.3233598802.

The spelling of 50785920 in words is "fifty million, seven hundred eighty-five thousand, nine hundred twenty".