51042256 has 20 divisors (see below), whose sum is σ = 99287172. Its totient is φ = 25419776.

The previous prime is 51042241. The next prime is 51042263. The reversal of 51042256 is 65224015.

51042256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 36723600 + 14318656 = 6060^2 + 3784^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 51042256.

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, 2095 + ... + 10318.

Almost surely, 2^51042256 is an apocalyptic number.

It is an amenable number.

51042256 is a deficient number, since it is larger than the sum of its proper divisors (48244916).

51042256 is a wasteful number, since it uses less digits than its factorization.

51042256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12678 (or 12672 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 51042256 is about 7144.3863277401. The cubic root of 51042256 is about 370.9453691811.

The spelling of 51042256 in words is "fifty-one million, forty-two thousand, two hundred fifty-six".