51867888 has 40 divisors (see below), whose sum is σ = 134397648. Its totient is φ = 17236992.

The previous prime is 51867883. The next prime is 51867889. The reversal of 51867888 is 88876815.

It is a happy number.

51867888 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 51867888.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51867883) 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 7 ways as a sum of consecutive naturals, for example, 16456 + ... + 19352.

Almost surely, 2^51867888 is an apocalyptic number.

It is an amenable number.

51867888 is an abundant number, since it is smaller than the sum of its proper divisors (82529760).

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

51867888 is a wasteful number, since it uses less digits than its factorization.

51867888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3281 (or 3275 counting only the distinct ones).

The product of its digits is 860160, while the sum is 51.

The square root of 51867888 is about 7201.9364062730. The cubic root of 51867888 is about 372.9347517683.

The spelling of 51867888 in words is "fifty-one million, eight hundred sixty-seven thousand, eight hundred eighty-eight".