51798026255 has 16 divisors (see below), whose sum is σ = 64193420160. Its totient is φ = 40101042432.

The previous prime is 51798026249. The next prime is 51798026317. The reversal of 51798026255 is 55262089715.

It is a cyclic number.

It is not a de Polignac number, because 51798026255 - 2⁴ = 51798026239 is a prime.

It is a super-3 number, since 3×51798026255³ (a number of 33 digits) contains 333 as substring.

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 15 ways as a sum of consecutive naturals, for example, 1217384 + ... + 1259213.

It is an arithmetic number, because the mean of its divisors is an integer number (4012088760).

Almost surely, 2^51798026255 is an apocalyptic number.

51798026255 is a deficient number, since it is larger than the sum of its proper divisors (12395393905).

51798026255 is a wasteful number, since it uses less digits than its factorization.

51798026255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2476738.

The product of its (nonzero) digits is 1512000, while the sum is 50.

The spelling of 51798026255 in words is "fifty-one billion, seven hundred ninety-eight million, twenty-six thousand, two hundred fifty-five".