51000446 has 32 divisors (see below), whose sum is σ = 92928000. Its totient is φ = 20505312.

The previous prime is 51000437. The next prime is 51000461. The reversal of 51000446 is 64400015.

It is a happy number.

51000446 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 28115 + ... + 29873.

It is an arithmetic number, because the mean of its divisors is an integer number (2904000).

Almost surely, 2^51000446 is an apocalyptic number.

51000446 is a deficient number, since it is larger than the sum of its proper divisors (41927554).

51000446 is a wasteful number, since it uses less digits than its factorization.

51000446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1896.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 51000446 is about 7141.4596547205. The cubic root of 51000446 is about 370.8440579429.

The spelling of 51000446 in words is "fifty-one million, four hundred forty-six", and thus it is an aban number.