51355306537108 has 24 divisors (see below), whose sum is σ = 102710775609792. Its totient is φ = 22009382258304.

The previous prime is 51355306537103. The next prime is 51355306537133. The reversal of 51355306537108 is 80173560355315.

51355306537108 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 not an unprimeable number, because it can be changed into a prime (51355306537103) by changing a digit.

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, 25047435 + ... + 27020077.

It is an arithmetic number, because the mean of its divisors is an integer number (4279615650408).

Almost surely, 2^{51355306537108} is an apocalyptic number.

It is an amenable number.

51355306537108 is an abundant number, since it is smaller than the sum of its proper divisors (51355469072684).

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

51355306537108 is a wasteful number, since it uses less digits than its factorization.

51355306537108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2902431 (or 2902429 counting only the distinct ones).

The product of its (nonzero) digits is 5670000, while the sum is 52.

The spelling of 51355306537108 in words is "fifty-one trillion, three hundred fifty-five billion, three hundred six million, five hundred thirty-seven thousand, one hundred eight".