51018608 has 20 divisors (see below), whose sum is σ = 98959440. Its totient is φ = 25480704.

The previous prime is 51018589. The next prime is 51018659. The reversal of 51018608 is 80681015.

51018608 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 26213 + ... + 28091.

It is an arithmetic number, because the mean of its divisors is an integer number (4947972).

Almost surely, 2^51018608 is an apocalyptic number.

It is an amenable number.

51018608 is a deficient number, since it is larger than the sum of its proper divisors (47940832).

51018608 is a wasteful number, since it uses less digits than its factorization.

51018608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3584 (or 3578 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 29.

The square root of 51018608 is about 7142.7311303170. The cubic root of 51018608 is about 370.8880737045. Note that the first 3 decimals are identical.

The spelling of 51018608 in words is "fifty-one million, eighteen thousand, six hundred eight".