51758287255 has 4 divisors (see below), whose sum is σ = 62109944712. Its totient is φ = 41406629800.

The previous prime is 51758287241. The next prime is 51758287279. The reversal of 51758287255 is 55278285715.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 51758287255 - 2²¹ = 51756190103 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51758287196 and 51758287205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5175828721 + ... + 5175828730.

It is an arithmetic number, because the mean of its divisors is an integer number (15527486178).

Almost surely, 2^51758287255 is an apocalyptic number.

51758287255 is a deficient number, since it is larger than the sum of its proper divisors (10351657457).

51758287255 is a wasteful number, since it uses less digits than its factorization.

51758287255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10351657456.

The product of its digits is 7840000, while the sum is 55.

The spelling of 51758287255 in words is "fifty-one billion, seven hundred fifty-eight million, two hundred eighty-seven thousand, two hundred fifty-five".