5591255947 has 4 divisors (see below), whose sum is σ = 5598947536. Its totient is φ = 5583564360.

The previous prime is 5591255939. The next prime is 5591255959. The reversal of 5591255947 is 7495521955.

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

It is a cyclic number.

It is not a de Polignac number, because 5591255947 - 2³ = 5591255939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5591255894 and 5591255903.

It is not an unprimeable number, because it can be changed into a prime (5591855947) 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, 3844704 + ... + 3846157.

It is an arithmetic number, because the mean of its divisors is an integer number (1399736884).

Almost surely, 2^5591255947 is an apocalyptic number.

5591255947 is a deficient number, since it is larger than the sum of its proper divisors (7691589).

5591255947 is an equidigital number, since it uses as much as digits as its factorization.

5591255947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7691588.

The product of its digits is 2835000, while the sum is 52.

The square root of 5591255947 is about 74774.7012498211. The cubic root of 5591255947 is about 1774.8832506164.

The spelling of 5591255947 in words is "five billion, five hundred ninety-one million, two hundred fifty-five thousand, nine hundred forty-seven".