51046805 has 16 divisors (see below), whose sum is σ = 63011520. Its totient is φ = 39677568.

The previous prime is 51046789. The next prime is 51046817. The reversal of 51046805 is 50864015.

It is a happy number.

51046805 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 51046805 - 2⁴ = 51046789 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 49586 + ... + 50604.

It is an arithmetic number, because the mean of its divisors is an integer number (3938220).

Almost surely, 2^51046805 is an apocalyptic number.

It is an amenable number.

51046805 is a deficient number, since it is larger than the sum of its proper divisors (11964715).

51046805 is a wasteful number, since it uses less digits than its factorization.

51046805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 51046805 is about 7144.7046824904. The cubic root of 51046805 is about 370.9563886807.

The spelling of 51046805 in words is "fifty-one million, forty-six thousand, eight hundred five".