50051881 has 16 divisors (see below), whose sum is σ = 56000448. Its totient is φ = 44352000.

The previous prime is 50051879. The next prime is 50051891. The reversal of 50051881 is 18815005.

It is not a de Polignac number, because 50051881 - 2¹ = 50051879 is a prime.

It is a super-2 number, since 2×50051881² = 5010381583276322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50051821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82981 + ... + 83581.

It is an arithmetic number, because the mean of its divisors is an integer number (3500028).

Almost surely, 2^50051881 is an apocalyptic number.

It is an amenable number.

50051881 is a deficient number, since it is larger than the sum of its proper divisors (5948567).

50051881 is a wasteful number, since it uses less digits than its factorization.

50051881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792.

The product of its (nonzero) digits is 1600, while the sum is 28.

The square root of 50051881 is about 7074.7354014126. The cubic root of 50051881 is about 368.5305266434.

Adding to 50051881 its reverse (18815005), we get a palindrome (68866886).

It can be divided in two parts, 5005 and 1881, that added together give a palindrome (6886).

The spelling of 50051881 in words is "fifty million, fifty-one thousand, eight hundred eighty-one".