51704127543564 has 144 divisors (see below), whose sum is σ = 132393715507872. Its totient is φ = 17012259403776.

The previous prime is 51704127543557. The next prime is 51704127543589. The reversal of 51704127543564 is 46534572140715.

51704127543564 is a `hidden beast` number, since 5 + 1 + 7 + 0 + 4 + 1 + 2 + 75 + 4 + 3 + 564 = 666.

It is a super-3 number, since 3×51704127543564³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 51704127543564.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1409466367 + ... + 1409503049.

It is an arithmetic number, because the mean of its divisors is an integer number (919400802138).

Almost surely, 2^{51704127543564} is an apocalyptic number.

It is an amenable number.

51704127543564 is an abundant number, since it is smaller than the sum of its proper divisors (80689587964308).

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

51704127543564 is a wasteful number, since it uses less digits than its factorization.

51704127543564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38216 (or 38211 counting only the distinct ones).

The product of its (nonzero) digits is 14112000, while the sum is 54.

The spelling of 51704127543564 in words is "fifty-one trillion, seven hundred four billion, one hundred twenty-seven million, five hundred forty-three thousand, five hundred sixty-four".