51450068742620 has 24 divisors (see below), whose sum is σ = 108327246580224. Its totient is φ = 20526293740736.

The previous prime is 51450068742593. The next prime is 51450068742643. The reversal of 51450068742620 is 2624786005415.

51450068742620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3358351919 + ... + 3358367238.

It is an arithmetic number, because the mean of its divisors is an integer number (4513635274176).

Almost surely, 2^{51450068742620} is an apocalyptic number.

It is an amenable number.

51450068742620 is an abundant number, since it is smaller than the sum of its proper divisors (56877177837604).

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

51450068742620 is a wasteful number, since it uses less digits than its factorization.

51450068742620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6716719549 (or 6716719547 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 50.

The spelling of 51450068742620 in words is "fifty-one trillion, four hundred fifty billion, sixty-eight million, seven hundred forty-two thousand, six hundred twenty".