5521715247 has 4 divisors (see below), whose sum is σ = 7362287000. Its totient is φ = 3681143496.

The previous prime is 5521715237. The next prime is 5521715249. The reversal of 5521715247 is 7425171255.

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

It is not a de Polignac number, because 5521715247 - 2¹⁵ = 5521682479 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 (5521715249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 920285872 + ... + 920285877.

It is an arithmetic number, because the mean of its divisors is an integer number (1840571750).

Almost surely, 2^5521715247 is an apocalyptic number.

5521715247 is a deficient number, since it is larger than the sum of its proper divisors (1840571753).

5521715247 is a wasteful number, since it uses less digits than its factorization.

5521715247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1840571752.

The product of its digits is 98000, while the sum is 39.

The square root of 5521715247 is about 74308.2448117300. The cubic root of 5521715247 is about 1767.4942195821.

The spelling of 5521715247 in words is "five billion, five hundred twenty-one million, seven hundred fifteen thousand, two hundred forty-seven".