50280255281 has 4 divisors (see below), whose sum is σ = 50285842932. Its totient is φ = 50274667632.

The previous prime is 50280255269. The next prime is 50280255293. The reversal of 50280255281 is 18255208205.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (50280255269) and next prime (50280255293).

It can be written as a sum of positive squares in 2 ways, for example, as 14713690000 + 35566565281 = 121300^2 + 188591^2 .

It is a cyclic number.

It is not a de Polignac number, because 50280255281 - 2⁶ = 50280255217 is a prime.

It is a super-2 number, since 2×50280255281² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50280255211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2780306 + ... + 2798331.

It is an arithmetic number, because the mean of its divisors is an integer number (12571460733).

Almost surely, 2^50280255281 is an apocalyptic number.

It is an amenable number.

50280255281 is a deficient number, since it is larger than the sum of its proper divisors (5587651).

50280255281 is an equidigital number, since it uses as much as digits as its factorization.

50280255281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5587650.

The product of its (nonzero) digits is 64000, while the sum is 38.

The spelling of 50280255281 in words is "fifty billion, two hundred eighty million, two hundred fifty-five thousand, two hundred eighty-one".