51741868 has 12 divisors (see below), whose sum is σ = 91639800. Its totient is φ = 25559072.

The previous prime is 51741839. The next prime is 51741871. The reversal of 51741868 is 86814715.

It is a self number, because there is not a number n which added to its sum of digits gives 51741868.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77593 + ... + 78256.

It is an arithmetic number, because the mean of its divisors is an integer number (7636650).

Almost surely, 2^51741868 is an apocalyptic number.

It is an amenable number.

51741868 is a deficient number, since it is larger than the sum of its proper divisors (39897932).

51741868 is a wasteful number, since it uses less digits than its factorization.

51741868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155936 (or 155934 counting only the distinct ones).

The product of its digits is 53760, while the sum is 40.

The square root of 51741868 is about 7193.1820496912. The cubic root of 51741868 is about 372.6324751400.

The spelling of 51741868 in words is "fifty-one million, seven hundred forty-one thousand, eight hundred sixty-eight".