50317320 has 128 divisors (see below), whose sum is σ = 164592000. Its totient is φ = 12257280.

The previous prime is 50317279. The next prime is 50317321. The reversal of 50317320 is 2371305.

It is a happy number.

50317320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (50317321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65740 + ... + 66500.

It is an arithmetic number, because the mean of its divisors is an integer number (1285875).

Almost surely, 2^50317320 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 50317320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82296000).

50317320 is an abundant number, since it is smaller than the sum of its proper divisors (114274680).

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

50317320 is a wasteful number, since it uses less digits than its factorization.

50317320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823 (or 819 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 50317320 is about 7093.4702367741. The cubic root of 50317320 is about 369.1808515584.

Adding to 50317320 its reverse (2371305), we get a palindrome (52688625).

The spelling of 50317320 in words is "fifty million, three hundred seventeen thousand, three hundred twenty".