52517177744540 has 24 divisors (see below), whose sum is σ = 110293287331920. Its totient is φ = 21005496989568.

The previous prime is 52517177744539. The next prime is 52517177744557. The reversal of 52517177744540 is 4544777171525.

It is a self number, because there is not a number n which added to its sum of digits gives 52517177744540.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85568342 + ... + 86179901.

It is an arithmetic number, because the mean of its divisors is an integer number (4595553638830).

Almost surely, 2^{52517177744540} is an apocalyptic number.

It is an amenable number.

52517177744540 is an abundant number, since it is smaller than the sum of its proper divisors (57776109587380).

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

52517177744540 is a wasteful number, since it uses less digits than its factorization.

52517177744540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171763541 (or 171763539 counting only the distinct ones).

The product of its (nonzero) digits is 38416000, while the sum is 59.

The spelling of 52517177744540 in words is "fifty-two trillion, five hundred seventeen billion, one hundred seventy-seven million, seven hundred forty-four thousand, five hundred forty".