52591780518762 has 16 divisors (see below), whose sum is σ = 105951324258432. Its totient is φ = 17402632969440.

The previous prime is 52591780518743. The next prime is 52591780518773. The reversal of 52591780518762 is 26781508719525.

It is a junction number, because it is equal to n+sod(n) for n = 52591780518693 and 52591780518702.

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, 31990133314 + ... + 31990134957.

It is an arithmetic number, because the mean of its divisors is an integer number (6621957766152).

Almost surely, 2^{52591780518762} is an apocalyptic number.

52591780518762 is an abundant number, since it is smaller than the sum of its proper divisors (53359543739670).

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

52591780518762 is a wasteful number, since it uses less digits than its factorization.

52591780518762 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63980268413.

The product of its (nonzero) digits is 84672000, while the sum is 66.

The spelling of 52591780518762 in words is "fifty-two trillion, five hundred ninety-one billion, seven hundred eighty million, five hundred eighteen thousand, seven hundred sixty-two".