51871996 has 12 divisors (see below), whose sum is σ = 99028440. Its totient is φ = 23578160.

The previous prime is 51871993. The next prime is 51871999. The reversal of 51871996 is 69917815.

It is a happy number.

51871996 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (51871993) and next prime (51871999).

It is a zygodrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51871993) 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 3 ways as a sum of consecutive naturals, for example, 589411 + ... + 589498.

It is an arithmetic number, because the mean of its divisors is an integer number (8252370).

Almost surely, 2^51871996 is an apocalyptic number.

It is an amenable number.

51871996 is a deficient number, since it is larger than the sum of its proper divisors (47156444).

51871996 is a wasteful number, since it uses less digits than its factorization.

51871996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1178924 (or 1178922 counting only the distinct ones).

The product of its digits is 136080, while the sum is 46.

The square root of 51871996 is about 7202.2216017004. The cubic root of 51871996 is about 372.9445971375.

It can be divided in two parts, 518719 and 96, that added together give a palindrome (518815).

The spelling of 51871996 in words is "fifty-one million, eight hundred seventy-one thousand, nine hundred ninety-six".