51657273726755 has 16 divisors (see below), whose sum is σ = 64798344192000. Its totient is φ = 39486490973280.

The previous prime is 51657273726733. The next prime is 51657273726761. The reversal of 51657273726755 is 55762737275615.

It is a happy number.

It is not a de Polignac number, because 51657273726755 - 2⁴⁰ = 50557762098979 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2109308855 + ... + 2109333344.

It is an arithmetic number, because the mean of its divisors is an integer number (4049896512000).

Almost surely, 2^{51657273726755} is an apocalyptic number.

51657273726755 is a deficient number, since it is larger than the sum of its proper divisors (13141070465245).

51657273726755 is a wasteful number, since it uses less digits than its factorization.

51657273726755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4218642314.

The product of its digits is 648270000, while the sum is 68.

The spelling of 51657273726755 in words is "fifty-one trillion, six hundred fifty-seven billion, two hundred seventy-three million, seven hundred twenty-six thousand, seven hundred fifty-five".