50021280 has 96 divisors (see below), whose sum is σ = 175089600. Its totient is φ = 13337856.

The previous prime is 50021273. The next prime is 50021287. The reversal of 50021280 is 8212005.

50021280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (50021273) and next prime (50021287).

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (50021287) 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 15 ways as a sum of consecutive naturals, for example, 1470 + ... + 10109.

It is an arithmetic number, because the mean of its divisors is an integer number (1823850).

Almost surely, 2^50021280 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 50021280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87544800).

50021280 is an abundant number, since it is smaller than the sum of its proper divisors (125068320).

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

50021280 is a wasteful number, since it uses less digits than its factorization.

50021280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11603 (or 11589 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 50021280 is about 7072.5723750273. The cubic root of 50021280 is about 368.4554065781.

Adding to 50021280 its reverse (8212005), we get a palindrome (58233285).

The spelling of 50021280 in words is "fifty million, twenty-one thousand, two hundred eighty".