51886408 has 32 divisors (see below), whose sum is σ = 112852800. Its totient is φ = 21903552.

The previous prime is 51886391. The next prime is 51886447. The reversal of 51886408 is 80468815.

51886408 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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, 3163 + ... + 10666.

It is an arithmetic number, because the mean of its divisors is an integer number (3526650).

Almost surely, 2^51886408 is an apocalyptic number.

It is an amenable number.

51886408 is an abundant number, since it is smaller than the sum of its proper divisors (60966392).

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

51886408 is a wasteful number, since it uses less digits than its factorization.

51886408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13909 (or 13905 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 40.

The square root of 51886408 is about 7203.2220568298. Note that the first 3 decimals coincide. The cubic root of 51886408 is about 372.9791333050.

The spelling of 51886408 in words is "fifty-one million, eight hundred eighty-six thousand, four hundred eight".