50081280 has 80 divisors (see below), whose sum is σ = 160128144. Its totient is φ = 13352960.

The previous prime is 50081257. The next prime is 50081299. The reversal of 50081280 is 8218005.

It is a tau number, because it is divible by the number of its divisors (80).

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

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 50081280.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4420 + ... + 10940.

Almost surely, 2^50081280 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 50081280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80064072).

50081280 is an abundant number, since it is smaller than the sum of its proper divisors (110046864).

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

50081280 is an equidigital number, since it uses as much as digits as its factorization.

50081280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6547 (or 6531 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 24.

The square root of 50081280 is about 7076.8128419508. The cubic root of 50081280 is about 368.6026671781.

Adding to 50081280 its reverse (8218005), we get a palindrome (58299285).

The spelling of 50081280 in words is "fifty million, eighty-one thousand, two hundred eighty".