51270255 has 24 divisors (see below), whose sum is σ = 89062272. Its totient is φ = 27284544.

The previous prime is 51270229. The next prime is 51270259. The reversal of 51270255 is 55207215.

It is a happy number.

It is not a de Polignac number, because 51270255 - 2¹¹ = 51268207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51270259) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26377 + ... + 28253.

It is an arithmetic number, because the mean of its divisors is an integer number (3710928).

Almost surely, 2^51270255 is an apocalyptic number.

51270255 is a deficient number, since it is larger than the sum of its proper divisors (37792017).

51270255 is a wasteful number, since it uses less digits than its factorization.

51270255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2495 (or 2492 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 27.

The square root of 51270255 is about 7160.3250624535. The cubic root of 51270255 is about 371.4968701186.

The spelling of 51270255 in words is "fifty-one million, two hundred seventy thousand, two hundred fifty-five".