51813068 has 12 divisors (see below), whose sum is σ = 90740832. Its totient is φ = 25887120.

The previous prime is 51813067. The next prime is 51813071. The reversal of 51813068 is 86031815.

51813068 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (51813067) 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, 2333 + ... + 10443.

It is an arithmetic number, because the mean of its divisors is an integer number (7561736).

Almost surely, 2^51813068 is an apocalyptic number.

It is an amenable number.

51813068 is a deficient number, since it is larger than the sum of its proper divisors (38927764).

51813068 is a wasteful number, since it uses less digits than its factorization.

51813068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9712 (or 9710 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 51813068 is about 7198.1294792467. The cubic root of 51813068 is about 372.8033185525.

The spelling of 51813068 in words is "fifty-one million, eight hundred thirteen thousand, sixty-eight".