52605858790881 has 60 divisors (see below), whose sum is σ = 86698631596500. Its totient is φ = 31763815364160.

The previous prime is 52605858790867. The next prime is 52605858790997. The reversal of 52605858790881 is 18809785850625.

52605858790881 is a `hidden beast` number, since 5 + 2 + 605 + 8 + 5 + 8 + 7 + 9 + 0 + 8 + 8 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 15525176040000 + 37080682750881 = 3940200^2 + 6089391^2 .

It is not a de Polignac number, because 52605858790881 - 2³³ = 52597268856289 is a prime.

It is a super-2 number, since 2×52605858790881² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52605858090881) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 7340106 + ... + 12613043.

It is an arithmetic number, because the mean of its divisors is an integer number (1444977193275).

Almost surely, 2^{52605858790881} is an apocalyptic number.

It is an amenable number.

52605858790881 is a deficient number, since it is larger than the sum of its proper divisors (34092772805619).

52605858790881 is a wasteful number, since it uses less digits than its factorization.

52605858790881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19953452 (or 19953432 counting only the distinct ones).

The product of its (nonzero) digits is 387072000, while the sum is 72.

The spelling of 52605858790881 in words is "fifty-two trillion, six hundred five billion, eight hundred fifty-eight million, seven hundred ninety thousand, eight hundred eighty-one".