51326055654488 has 16 divisors (see below), whose sum is σ = 96237399095280. Its totient is φ = 25662749229088.

The previous prime is 51326055654487. The next prime is 51326055654509. The reversal of 51326055654488 is 88445655062315.

It is a self number, because there is not a number n which added to its sum of digits gives 51326055654488.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51326055654487) 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, 34040756 + ... + 35516547.

It is an arithmetic number, because the mean of its divisors is an integer number (6014837443455).

Almost surely, 2^{51326055654488} is an apocalyptic number.

It is an amenable number.

51326055654488 is a deficient number, since it is larger than the sum of its proper divisors (44911343440792).

51326055654488 is a wasteful number, since it uses less digits than its factorization.

51326055654488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69649546 (or 69649542 counting only the distinct ones).

The product of its (nonzero) digits is 138240000, while the sum is 62.

The spelling of 51326055654488 in words is "fifty-one trillion, three hundred twenty-six billion, fifty-five million, six hundred fifty-four thousand, four hundred eighty-eight".