51006255 has 32 divisors (see below), whose sum is σ = 84224448. Its totient is φ = 26342400.

The previous prime is 51006217. The next prime is 51006289. The reversal of 51006255 is 55260015.

51006255 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51006255 - 2¹⁴ = 50989871 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 31 ways as a sum of consecutive naturals, for example, 120945 + ... + 121365.

It is an arithmetic number, because the mean of its divisors is an integer number (2632014).

Almost surely, 2^51006255 is an apocalyptic number.

51006255 is a deficient number, since it is larger than the sum of its proper divisors (33218193).

51006255 is a wasteful number, since it uses less digits than its factorization.

51006255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 51006255 is about 7141.8663527120. The cubic root of 51006255 is about 370.8581372403.

The spelling of 51006255 in words is "fifty-one million, six thousand, two hundred fifty-five".