50182508081 has 4 divisors (see below), whose sum is σ = 50193057600. Its totient is φ = 50171958564.

The previous prime is 50182508021. The next prime is 50182508099. The reversal of 50182508081 is 18080528105.

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, and also an emirpimes, since its reverse is a distinct semiprime: 18080528105 = 5 ⋅3616105621.

It is a cyclic number.

It is not a de Polignac number, because 50182508081 - 2⁶ = 50182508017 is a prime.

It is a super-2 number, since 2×50182508081² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50182508021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5267621 + ... + 5277138.

It is an arithmetic number, because the mean of its divisors is an integer number (12548264400).

Almost surely, 2^50182508081 is an apocalyptic number.

It is an amenable number.

50182508081 is a deficient number, since it is larger than the sum of its proper divisors (10549519).

50182508081 is a wasteful number, since it uses less digits than its factorization.

50182508081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10549518.

The product of its (nonzero) digits is 25600, while the sum is 38.

The spelling of 50182508081 in words is "fifty billion, one hundred eighty-two million, five hundred eight thousand, eighty-one".