5565740447 has 4 divisors (see below), whose sum is σ = 5701490256. Its totient is φ = 5429990640.

The previous prime is 5565740443. The next prime is 5565740459. The reversal of 5565740447 is 7440475655.

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 5565740447 - 2² = 5565740443 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 (5565740443) 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, 67874843 + ... + 67874924.

It is an arithmetic number, because the mean of its divisors is an integer number (1425372564).

Almost surely, 2^5565740447 is an apocalyptic number.

5565740447 is a deficient number, since it is larger than the sum of its proper divisors (135749809).

5565740447 is a wasteful number, since it uses less digits than its factorization.

5565740447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135749808.

The product of its (nonzero) digits is 2352000, while the sum is 47.

The square root of 5565740447 is about 74603.8902940054. The cubic root of 5565740447 is about 1772.1792608038.

The spelling of 5565740447 in words is "five billion, five hundred sixty-five million, seven hundred forty thousand, four hundred forty-seven".