51502542415168 has 56 divisors (see below), whose sum is σ = 110129907877920. Its totient is φ = 23755721418240.

The previous prime is 51502542415127. The next prime is 51502542415169. The reversal of 51502542415168 is 86151424520515.

It is a super-3 number, since 3×51502542415168³ (a number of 42 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51502542415169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17770378 + ... + 20464393.

It is an arithmetic number, because the mean of its divisors is an integer number (1966605497820).

Almost surely, 2^{51502542415168} is an apocalyptic number.

It is an amenable number.

51502542415168 is an abundant number, since it is smaller than the sum of its proper divisors (58627365462752).

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

51502542415168 is a wasteful number, since it uses less digits than its factorization.

51502542415168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38236415 (or 38236405 counting only the distinct ones).

The product of its (nonzero) digits is 1920000, while the sum is 49.

The spelling of 51502542415168 in words is "fifty-one trillion, five hundred two billion, five hundred forty-two million, four hundred fifteen thousand, one hundred sixty-eight".