5587130221 has 4 divisors (see below), whose sum is σ = 5642448444. Its totient is φ = 5531812000.

The previous prime is 5587130209. The next prime is 5587130231. The reversal of 5587130221 is 1220317855.

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 5506382025 + 80748196 = 74205^2 + 8986^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5587130221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5587130231) 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 3 ways as a sum of consecutive naturals, for example, 27658960 + ... + 27659161.

It is an arithmetic number, because the mean of its divisors is an integer number (1410612111).

Almost surely, 2^5587130221 is an apocalyptic number.

It is an amenable number.

5587130221 is a deficient number, since it is larger than the sum of its proper divisors (55318223).

5587130221 is a wasteful number, since it uses less digits than its factorization.

5587130221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55318222.

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 5587130221 is about 74747.1084457452. The cubic root of 5587130221 is about 1774.4465876143.

The spelling of 5587130221 in words is "five billion, five hundred eighty-seven million, one hundred thirty thousand, two hundred twenty-one".