52587544949 has 4 divisors (see below), whose sum is σ = 55680929964. Its totient is φ = 49494159936.

The previous prime is 52587544943. The next prime is 52587544979. The reversal of 52587544949 is 94944578525.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 42281640625 + 10305904324 = 205625^2 + 101518^2 .

It is a cyclic number.

It is not a de Polignac number, because 52587544949 - 2²⁰ = 52586496373 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52587544891 and 52587544900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52587544943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1546692482 + ... + 1546692515.

It is an arithmetic number, because the mean of its divisors is an integer number (13920232491).

Almost surely, 2^52587544949 is an apocalyptic number.

It is an amenable number.

52587544949 is a deficient number, since it is larger than the sum of its proper divisors (3093385015).

52587544949 is a wasteful number, since it uses less digits than its factorization.

52587544949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3093385014.

The product of its digits is 72576000, while the sum is 62.

The spelling of 52587544949 in words is "fifty-two billion, five hundred eighty-seven million, five hundred forty-four thousand, nine hundred forty-nine".