51166255 has 16 divisors (see below), whose sum is σ = 70571520. Its totient is φ = 34885152.

The previous prime is 51166231. The next prime is 51166261. The reversal of 51166255 is 55266115.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51166255 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2182 + ... + 10348.

It is an arithmetic number, because the mean of its divisors is an integer number (4410720).

Almost surely, 2^51166255 is an apocalyptic number.

51166255 is a deficient number, since it is larger than the sum of its proper divisors (19405265).

51166255 is a wasteful number, since it uses less digits than its factorization.

51166255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8358.

The product of its digits is 9000, while the sum is 31.

The square root of 51166255 is about 7153.0591357824. The cubic root of 51166255 is about 371.2455104189.

It can be divided in two parts, 511 and 66255, that added together give a palindrome (66766).

The spelling of 51166255 in words is "fifty-one million, one hundred sixty-six thousand, two hundred fifty-five".