51726262348801 has 4 divisors (see below), whose sum is σ = 51819128170452. Its totient is φ = 51633396527152.

The previous prime is 51726262348771. The next prime is 51726262348819. The reversal of 51726262348801 is 10884326262715.

It is a happy number.

51726262348801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 10914096715201 + 40812165633600 = 3303649^2 + 6388440^2 .

It is a cyclic number.

It is not a de Polignac number, because 51726262348801 - 2⁵ = 51726262348769 is a prime.

It is a super-2 number, since 2×51726262348801² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51726262342801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46432909990 + ... + 46432911103.

It is an arithmetic number, because the mean of its divisors is an integer number (12954782042613).

Almost surely, 2^{51726262348801} is an apocalyptic number.

It is an amenable number.

51726262348801 is a deficient number, since it is larger than the sum of its proper divisors (92865821651).

51726262348801 is an equidigital number, since it uses as much as digits as its factorization.

51726262348801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92865821650.

The product of its (nonzero) digits is 7741440, while the sum is 55.

The spelling of 51726262348801 in words is "fifty-one trillion, seven hundred twenty-six billion, two hundred sixty-two million, three hundred forty-eight thousand, eight hundred one".