50381320 has 64 divisors (see below), whose sum is σ = 125582400. Its totient is φ = 18036480.

The previous prime is 50381311. The next prime is 50381327. The reversal of 50381320 is 2318305.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 50381291 and 50381300.

It is not an unprimeable number, because it can be changed into a prime (50381327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28626 + ... + 30334.

It is an arithmetic number, because the mean of its divisors is an integer number (1962225).

Almost surely, 2^50381320 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 50381320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62791200).

50381320 is an abundant number, since it is smaller than the sum of its proper divisors (75201080).

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

50381320 is a wasteful number, since it uses less digits than its factorization.

50381320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1798 (or 1794 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 50381320 is about 7097.9799943364. The cubic root of 50381320 is about 369.3373090436.

Adding to 50381320 its reverse (2318305), we get a palindrome (52699625).

The spelling of 50381320 in words is "fifty million, three hundred eighty-one thousand, three hundred twenty".