51073630 has 16 divisors (see below), whose sum is σ = 92118384. Its totient is φ = 20388160.

The previous prime is 51073619. The next prime is 51073643. The reversal of 51073630 is 3637015.

It is a happy number.

51073630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 51073595 and 51073604.

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 7 ways as a sum of consecutive naturals, for example, 309 + ... + 10111.

It is an arithmetic number, because the mean of its divisors is an integer number (5757399).

Almost surely, 2^51073630 is an apocalyptic number.

51073630 is a deficient number, since it is larger than the sum of its proper divisors (41044754).

51073630 is a wasteful number, since it uses less digits than its factorization.

51073630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10331.

The product of its (nonzero) digits is 1890, while the sum is 25.

The square root of 51073630 is about 7146.5817003656. The cubic root of 51073630 is about 371.0213562634.

The spelling of 51073630 in words is "fifty-one million, seventy-three thousand, six hundred thirty".