51046636 has 6 divisors (see below), whose sum is σ = 89331620. Its totient is φ = 25523316.

The previous prime is 51046627. The next prime is 51046649. The reversal of 51046636 is 63664015.

51046636 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 = 51046598 and 51046607.

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 as a sum of consecutive naturals, namely, 6380826 + ... + 6380833.

Almost surely, 2^51046636 is an apocalyptic number.

It is an amenable number.

51046636 is a deficient number, since it is larger than the sum of its proper divisors (38284984).

51046636 is a wasteful number, since it uses less digits than its factorization.

51046636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12761663 (or 12761661 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 51046636 is about 7144.6928555397. The cubic root of 51046636 is about 370.9559793068.

The spelling of 51046636 in words is "fifty-one million, forty-six thousand, six hundred thirty-six".