52020252487 has 8 divisors (see below), whose sum is σ = 59459101056. Its totient is φ = 44583249912.

The previous prime is 52020252481. The next prime is 52020252509. The reversal of 52020252487 is 78425202025.

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 52020252487 - 2³⁵ = 17660514119 is a prime.

It is a super-2 number, since 2×52020252487² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52020252481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 400573 + ... + 514294.

It is an arithmetic number, because the mean of its divisors is an integer number (7432387632).

Almost surely, 2^52020252487 is an apocalyptic number.

52020252487 is a deficient number, since it is larger than the sum of its proper divisors (7438848569).

52020252487 is an equidigital number, since it uses as much as digits as its factorization.

52020252487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922997.

The product of its (nonzero) digits is 89600, while the sum is 37.

The spelling of 52020252487 in words is "fifty-two billion, twenty million, two hundred fifty-two thousand, four hundred eighty-seven".