51766255 has 8 divisors (see below), whose sum is σ = 62723232. Its totient is φ = 41010528.

The previous prime is 51766243. The next prime is 51766283. The reversal of 51766255 is 55266715.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51766255 - 2⁹ = 51765743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49744 + ... + 50773.

It is an arithmetic number, because the mean of its divisors is an integer number (7840404).

Almost surely, 2^51766255 is an apocalyptic number.

51766255 is a deficient number, since it is larger than the sum of its proper divisors (10956977).

51766255 is a wasteful number, since it uses less digits than its factorization.

51766255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100625.

The product of its digits is 63000, while the sum is 37.

The square root of 51766255 is about 7194.8769968638. The cubic root of 51766255 is about 372.6910090456.

It can be divided in two parts, 5 and 1766255, that added together give a triangular number (1766260 = T₁₈₇₉).

The spelling of 51766255 in words is "fifty-one million, seven hundred sixty-six thousand, two hundred fifty-five".