52505505277985 has 8 divisors (see below), whose sum is σ = 63333065434920. Its totient is φ = 41786764821504.

The previous prime is 52505505277969. The next prime is 52505505277993. The reversal of 52505505277985 is 58977250550525.

It can be written as a sum of positive squares in 4 ways, for example, as 14670003060736 + 37835502217249 = 3830144^2 + 6151057^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52505505277985 - 2⁴ = 52505505277969 is a prime.

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, 27204924050 + ... + 27204925979.

It is an arithmetic number, because the mean of its divisors is an integer number (7916633179365).

Almost surely, 2^{52505505277985} is an apocalyptic number.

It is an amenable number.

52505505277985 is a deficient number, since it is larger than the sum of its proper divisors (10827560156935).

52505505277985 is a wasteful number, since it uses less digits than its factorization.

52505505277985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54409850227.

The product of its (nonzero) digits is 220500000, while the sum is 65.

The spelling of 52505505277985 in words is "fifty-two trillion, five hundred five billion, five hundred five million, two hundred seventy-seven thousand, nine hundred eighty-five".