50280005 has 4 divisors (see below), whose sum is σ = 60336012. Its totient is φ = 40224000.

The previous prime is 50279993. The next prime is 50280011. The reversal of 50280005 is 50008205.

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

It can be written as a sum of positive squares in 2 ways, for example, as 22221796 + 28058209 = 4714^2 + 5297^2 .

It is not a de Polignac number, because 50280005 - 2⁶ = 50279941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5027996 + ... + 5028005.

It is an arithmetic number, because the mean of its divisors is an integer number (15084003).

Almost surely, 2^50280005 is an apocalyptic number.

It is an amenable number.

50280005 is a deficient number, since it is larger than the sum of its proper divisors (10056007).

50280005 is a wasteful number, since it uses less digits than its factorization.

50280005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10056006.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 50280005 is about 7090.8395130619. The cubic root of 50280005 is about 369.0895682768.

The spelling of 50280005 in words is "fifty million, two hundred eighty thousand, five".