51876816 has 20 divisors (see below), whose sum is σ = 134015232. Its totient is φ = 17292256.

The previous prime is 51876763. The next prime is 51876817. The reversal of 51876816 is 61867815.

51876816 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51876817) 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, 540336 + ... + 540431.

Almost surely, 2^51876816 is an apocalyptic number.

It is an amenable number.

51876816 is an abundant number, since it is smaller than the sum of its proper divisors (82138416).

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

51876816 is a wasteful number, since it uses less digits than its factorization.

51876816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080778 (or 1080772 counting only the distinct ones).

The product of its digits is 80640, while the sum is 42.

The square root of 51876816 is about 7202.5562129011. The cubic root of 51876816 is about 372.9561482468.

Subtracting 51876816 from its reverse (61867815), we obtain a palindrome (9990999).

The spelling of 51876816 in words is "fifty-one million, eight hundred seventy-six thousand, eight hundred sixteen".