50320816 has 160 divisors (see below), whose sum is σ = 134991360. Its totient is φ = 17584128.

The previous prime is 50320811. The next prime is 50320841. The reversal of 50320816 is 61802305.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (50320811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 470235 + ... + 470341.

It is an arithmetic number, because the mean of its divisors is an integer number (843696).

Almost surely, 2^50320816 is an apocalyptic number.

50320816 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50320816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67495680).

50320816 is an abundant number, since it is smaller than the sum of its proper divisors (84670544).

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

50320816 is a wasteful number, since it uses less digits than its factorization.

50320816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171 (or 165 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 50320816 is about 7093.7166563093. The cubic root of 50320816 is about 369.1894014730.

The spelling of 50320816 in words is "fifty million, three hundred twenty thousand, eight hundred sixteen".