50886839881 has 4 divisors (see below), whose sum is σ = 50927259600. Its totient is φ = 50846420164.

The previous prime is 50886839807. The next prime is 50886839929. The reversal of 50886839881 is 18893868805.

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 50886839881 - 2¹⁷ = 50886708809 is a prime.

It is a super-2 number, since 2×50886839881² (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 (50886839581) 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, 20207971 + ... + 20210488.

It is an arithmetic number, because the mean of its divisors is an integer number (12731814900).

Almost surely, 2^50886839881 is an apocalyptic number.

It is an amenable number.

50886839881 is a deficient number, since it is larger than the sum of its proper divisors (40419719).

50886839881 is a wasteful number, since it uses less digits than its factorization.

50886839881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40419718.

The product of its (nonzero) digits is 26542080, while the sum is 64.

It can be divided in two parts, 5088683 and 9881, that added together give a square (5098564 = 2258²).

The spelling of 50886839881 in words is "fifty billion, eight hundred eighty-six million, eight hundred thirty-nine thousand, eight hundred eighty-one".