564972455 has 4 divisors (see below), whose sum is σ = 677966952. Its totient is φ = 451977960.

The previous prime is 564972413. The next prime is 564972469. The reversal of 564972455 is 554279465.

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

It is not a de Polignac number, because 564972455 - 2¹² = 564968359 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 56497241 + ... + 56497250.

It is an arithmetic number, because the mean of its divisors is an integer number (169491738).

Almost surely, 2^564972455 is an apocalyptic number.

564972455 is a deficient number, since it is larger than the sum of its proper divisors (112994497).

564972455 is a wasteful number, since it uses less digits than its factorization.

564972455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112994496.

The product of its digits is 1512000, while the sum is 47.

The square root of 564972455 is about 23769.1492275176. The cubic root of 564972455 is about 826.6895061942.

The spelling of 564972455 in words is "five hundred sixty-four million, nine hundred seventy-two thousand, four hundred fifty-five".