52687811878625 has 64 divisors (see below), whose sum is σ = 81981830301696. Its totient is φ = 32843415960000.

The previous prime is 52687811878529. The next prime is 52687811878633.

52687811878625 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 52687811878625 - 2²⁶ = 52687744769761 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 515954822 + ... + 516056928.

It is an arithmetic number, because the mean of its divisors is an integer number (1280966098464).

Almost surely, 2^{52687811878625} is an apocalyptic number.

52687811878625 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

52687811878625 is a deficient number, since it is larger than the sum of its proper divisors (29294018423071).

52687811878625 is a wasteful number, since it uses less digits than its factorization.

52687811878625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155751 (or 155741 counting only the distinct ones).

The product of its digits is 722534400, while the sum is 74.

The spelling of 52687811878625 in words is "fifty-two trillion, six hundred eighty-seven billion, eight hundred eleven million, eight hundred seventy-eight thousand, six hundred twenty-five".