51636882 has 32 divisors (see below), whose sum is σ = 113117184. Its totient is φ = 15584400.

The previous prime is 51636881. The next prime is 51636899. The reversal of 51636882 is 28863615.

It is a happy number.

51636882 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 51636882.

It is not an unprimeable number, because it can be changed into a prime (51636881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16443 + ... + 19329.

It is an arithmetic number, because the mean of its divisors is an integer number (3534912).

Almost surely, 2^51636882 is an apocalyptic number.

51636882 is an abundant number, since it is smaller than the sum of its proper divisors (61480302).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51636882 is a wasteful number, since it uses less digits than its factorization.

51636882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3174.

The product of its digits is 69120, while the sum is 39.

The square root of 51636882 is about 7185.8807393388. The cubic root of 51636882 is about 372.3802765252.

The spelling of 51636882 in words is "fifty-one million, six hundred thirty-six thousand, eight hundred eighty-two".