5567605681 has 4 divisors (see below), whose sum is σ = 6073751664. Its totient is φ = 5061459700.

The previous prime is 5567605657. The next prime is 5567605697. The reversal of 5567605681 is 1865067655.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 5567605681 - 2¹¹ = 5567603633 is a prime.

It is a super-2 number, since 2×5567605681² = 61996466038206947522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5567605601) 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, 253072975 + ... + 253072996.

It is an arithmetic number, because the mean of its divisors is an integer number (1518437916).

Almost surely, 2^5567605681 is an apocalyptic number.

It is an amenable number.

5567605681 is a deficient number, since it is larger than the sum of its proper divisors (506145983).

5567605681 is a wasteful number, since it uses less digits than its factorization.

5567605681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506145982.

The product of its (nonzero) digits is 1512000, while the sum is 49.

The square root of 5567605681 is about 74616.3901632879. The cubic root of 5567605681 is about 1772.3772075013.

The spelling of 5567605681 in words is "five billion, five hundred sixty-seven million, six hundred five thousand, six hundred eighty-one".