50009280 has 112 divisors (see below), whose sum is σ = 160532064. Its totient is φ = 13189120.

The previous prime is 50009279. The next prime is 50009287. The reversal of 50009280 is 8290005.

It is a super-2 number, since 2×50009280² = 5001856172236800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 50009280.

It is not an unprimeable number, because it can be changed into a prime (50009287) 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, 108250 + ... + 108710.

It is an arithmetic number, because the mean of its divisors is an integer number (1433322).

Almost surely, 2^50009280 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 50009280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80266032).

50009280 is an abundant number, since it is smaller than the sum of its proper divisors (110522784).

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

50009280 is a wasteful number, since it uses less digits than its factorization.

50009280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594 (or 584 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 50009280 is about 7071.7239765138. The cubic root of 50009280 is about 368.4259403290.

Adding to 50009280 its reverse (8290005), we get a palindrome (58299285).

The spelling of 50009280 in words is "fifty million, nine thousand, two hundred eighty".