564155 has 4 divisors (see below), whose sum is σ = 676992. Its totient is φ = 451320.

The previous prime is 564149. The next prime is 564163. The reversal of 564155 is 551465.

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

It is not a de Polignac number, because 564155 - 2¹⁰ = 563131 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56411 + ... + 56420.

It is an arithmetic number, because the mean of its divisors is an integer number (169248).

2⁵⁶⁴¹⁵⁵ is an apocalyptic number.

564155 is a deficient number, since it is larger than the sum of its proper divisors (112837).

564155 is a wasteful number, since it uses less digits than its factorization.

564155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112836.

The product of its digits is 3000, while the sum is 26.

The square root of 564155 is about 751.1025229621. The cubic root of 564155 is about 82.6290603171.

The spelling of 564155 in words is "five hundred sixty-four thousand, one hundred fifty-five".