51042966 has 16 divisors (see below), whose sum is σ = 109938864. Its totient is φ = 15705504.

The previous prime is 51042947. The next prime is 51042973. The reversal of 51042966 is 66924015.

51042966 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 7 ways as a sum of consecutive naturals, for example, 327121 + ... + 327276.

It is an arithmetic number, because the mean of its divisors is an integer number (6871179).

Almost surely, 2^51042966 is an apocalyptic number.

51042966 is an abundant number, since it is smaller than the sum of its proper divisors (58895898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51042966 is a wasteful number, since it uses less digits than its factorization.

51042966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654415.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 51042966 is about 7144.4360169295. The cubic root of 51042966 is about 370.9470891286.

The spelling of 51042966 in words is "fifty-one million, forty-two thousand, nine hundred sixty-six".