564576655 has 8 divisors (see below), whose sum is σ = 688598784. Its totient is φ = 444256800.

The previous prime is 564576539. The next prime is 564576667. The reversal of 564576655 is 556675465.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-564576655 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 564576599 and 564576608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 925231 + ... + 925840.

It is an arithmetic number, because the mean of its divisors is an integer number (86074848).

Almost surely, 2^564576655 is an apocalyptic number.

564576655 is a deficient number, since it is larger than the sum of its proper divisors (124022129).

564576655 is a wasteful number, since it uses less digits than its factorization.

564576655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1851137.

The product of its digits is 3780000, while the sum is 49.

The square root of 564576655 is about 23760.8218502644. The cubic root of 564576655 is about 826.4964111488.

The spelling of 564576655 in words is "five hundred sixty-four million, five hundred seventy-six thousand, six hundred fifty-five".