51675755727605 has 8 divisors (see below), whose sum is σ = 62013058932312. Its totient is φ = 41339169875968.

The previous prime is 51675755727587. The next prime is 51675755727653. The reversal of 51675755727605 is 50672755757615.

It can be written as a sum of positive squares in 4 ways, for example, as 11190302826481 + 40485452901124 = 3345191^2 + 6362818^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51675755727605 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179179772 + ... + 179467941.

It is an arithmetic number, because the mean of its divisors is an integer number (7751632366539).

Almost surely, 2^{51675755727605} is an apocalyptic number.

It is an amenable number.

51675755727605 is a deficient number, since it is larger than the sum of its proper divisors (10337303204707).

51675755727605 is a wasteful number, since it uses less digits than its factorization.

51675755727605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358676535.

The product of its (nonzero) digits is 540225000, while the sum is 68.

The spelling of 51675755727605 in words is "fifty-one trillion, six hundred seventy-five billion, seven hundred fifty-five million, seven hundred twenty-seven thousand, six hundred five".