51706055743 has 4 divisors (see below), whose sum is σ = 51706544328. Its totient is φ = 51705567160.

The previous prime is 51706055699. The next prime is 51706055761. The reversal of 51706055743 is 34755060715.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 51706055743 - 2¹⁷ = 51705924671 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51706055743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51706095743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11788 + ... + 321793.

It is an arithmetic number, because the mean of its divisors is an integer number (12926636082).

Almost surely, 2^51706055743 is an apocalyptic number.

51706055743 is a deficient number, since it is larger than the sum of its proper divisors (488585).

51706055743 is a wasteful number, since it uses less digits than its factorization.

51706055743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488584.

The product of its (nonzero) digits is 441000, while the sum is 43.

The spelling of 51706055743 in words is "fifty-one billion, seven hundred six million, fifty-five thousand, seven hundred forty-three".