51404170871682 has 48 divisors (see below), whose sum is σ = 111415644682368. Its totient is φ = 17128579567680.

The previous prime is 51404170871633. The next prime is 51404170871701. The reversal of 51404170871682 is 28617807140415.

It is a happy number.

51404170871682 is a `hidden beast` number, since 5 + 1 + 404 + 1 + 70 + 8 + 7 + 168 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1665112707 + ... + 1665143577.

It is an arithmetic number, because the mean of its divisors is an integer number (2321159264216).

Almost surely, 2^{51404170871682} is an apocalyptic number.

51404170871682 is an abundant number, since it is smaller than the sum of its proper divisors (60011473810686).

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

51404170871682 is a wasteful number, since it uses less digits than its factorization.

51404170871682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61055 (or 61052 counting only the distinct ones).

The product of its (nonzero) digits is 3010560, while the sum is 54.

The spelling of 51404170871682 in words is "fifty-one trillion, four hundred four billion, one hundred seventy million, eight hundred seventy-one thousand, six hundred eighty-two".