51326786 has 16 divisors (see below), whose sum is σ = 88862400. Its totient is φ = 21778800.

The previous prime is 51326741. The next prime is 51326801. The reversal of 51326786 is 68762315.

51326786 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×51326786² = 5268877922179592, which contains 22 as substring.

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, 16736 + ... + 19563.

It is an arithmetic number, because the mean of its divisors is an integer number (5553900).

Almost surely, 2^51326786 is an apocalyptic number.

51326786 is a deficient number, since it is larger than the sum of its proper divisors (37535614).

51326786 is a wasteful number, since it uses less digits than its factorization.

51326786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36409.

The product of its digits is 60480, while the sum is 38.

The square root of 51326786 is about 7164.2714912264. The cubic root of 51326786 is about 371.6333584563.

The spelling of 51326786 in words is "fifty-one million, three hundred twenty-six thousand, seven hundred eighty-six".