51422874055136 has 48 divisors (see below), whose sum is σ = 105664501754784. Its totient is φ = 24587953657344.

The previous prime is 51422874055117. The next prime is 51422874055141. The reversal of 51422874055136 is 63155047822415.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4708775 + ... + 11181158.

It is an arithmetic number, because the mean of its divisors is an integer number (2201343786558).

Almost surely, 2^{51422874055136} is an apocalyptic number.

It is an amenable number.

51422874055136 is an abundant number, since it is smaller than the sum of its proper divisors (54241627699648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51422874055136 is a wasteful number, since it uses less digits than its factorization.

51422874055136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15894363 (or 15894355 counting only the distinct ones).

The product of its (nonzero) digits is 8064000, while the sum is 53.

The spelling of 51422874055136 in words is "fifty-one trillion, four hundred twenty-two billion, eight hundred seventy-four million, fifty-five thousand, one hundred thirty-six".