5565639257047 has 4 divisors (see below), whose sum is σ = 5569977246840. Its totient is φ = 5561301267256.

The previous prime is 5565639257041. The next prime is 5565639257083. The reversal of 5565639257047 is 7407529365655.

5565639257047 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 5565639257047 - 2²⁷ = 5565505039319 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5565639257047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5565639257041) 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, 2168992972 + ... + 2168995537.

It is an arithmetic number, because the mean of its divisors is an integer number (1392494311710).

Almost surely, 2^{5565639257047} is an apocalyptic number.

5565639257047 is a deficient number, since it is larger than the sum of its proper divisors (4337989793).

5565639257047 is a wasteful number, since it uses less digits than its factorization.

5565639257047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4337989792.

The product of its (nonzero) digits is 238140000, while the sum is 64.

The spelling of 5565639257047 in words is "five trillion, five hundred sixty-five billion, six hundred thirty-nine million, two hundred fifty-seven thousand, forty-seven".