51206836 has 12 divisors (see below), whose sum is σ = 89703712. Its totient is φ = 25577208.

The previous prime is 51206819. The next prime is 51206893. The reversal of 51206836 is 63860215.

51206836 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 = 51206798 and 51206807.

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, 1770 + ... + 10273.

Almost surely, 2^51206836 is an apocalyptic number.

It is an amenable number.

51206836 is a deficient number, since it is larger than the sum of its proper divisors (38496876).

51206836 is a wasteful number, since it uses less digits than its factorization.

51206836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13110 (or 13108 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 51206836 is about 7155.8951920776. The cubic root of 51206836 is about 371.3436319438.

The spelling of 51206836 in words is "fifty-one million, two hundred six thousand, eight hundred thirty-six".