51868552 has 16 divisors (see below), whose sum is σ = 98902800. Its totient is φ = 25494480.

The previous prime is 51868543. The next prime is 51868573. The reversal of 51868552 is 25586815.

51868552 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 3 ways as a sum of consecutive naturals, for example, 54474 + ... + 55417.

It is an arithmetic number, because the mean of its divisors is an integer number (6181425).

Almost surely, 2^51868552 is an apocalyptic number.

It is an amenable number.

51868552 is a deficient number, since it is larger than the sum of its proper divisors (47034248).

51868552 is a wasteful number, since it uses less digits than its factorization.

51868552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109956 (or 109952 counting only the distinct ones).

The product of its digits is 96000, while the sum is 40.

The square root of 51868552 is about 7201.9825048385. The cubic root of 51868552 is about 372.9363431680.

The spelling of 51868552 in words is "fifty-one million, eight hundred sixty-eight thousand, five hundred fifty-two".