50002081 has 4 divisors (see below), whose sum is σ = 50264064. Its totient is φ = 49740100.

The previous prime is 50002079. The next prime is 50002103. The reversal of 50002081 is 18020005.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50002081 - 2¹ = 50002079 is a prime.

It is a super-2 number, since 2×50002081² = 5000416208661122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50002021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130705 + ... + 131086.

It is an arithmetic number, because the mean of its divisors is an integer number (12566016).

Almost surely, 2^50002081 is an apocalyptic number.

It is an amenable number.

50002081 is a deficient number, since it is larger than the sum of its proper divisors (261983).

50002081 is a wasteful number, since it uses less digits than its factorization.

50002081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261982.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 50002081 is about 7071.2149592556. The cubic root of 50002081 is about 368.4082607728.

Adding to 50002081 its reverse (18020005), we get a palindrome (68022086).

The spelling of 50002081 in words is "fifty million, two thousand, eighty-one".