564784542 has 64 divisors (see below), whose sum is σ = 1437143040. Its totient is φ = 161055648.

The previous prime is 564784529. The next prime is 564784603. The reversal of 564784542 is 245487465.

564784542 is a `hidden beast` number, since 564 + 7 + 8 + 45 + 42 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 254803 + ... + 257009.

It is an arithmetic number, because the mean of its divisors is an integer number (22455360).

Almost surely, 2^564784542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 564784542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (718571520).

564784542 is an abundant number, since it is smaller than the sum of its proper divisors (872358498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

564784542 is a wasteful number, since it uses less digits than its factorization.

564784542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2902 (or 2896 counting only the distinct ones).

The product of its digits is 1075200, while the sum is 45.

The square root of 564784542 is about 23765.1960227556. The cubic root of 564784542 is about 826.5978421789.

The spelling of 564784542 in words is "five hundred sixty-four million, seven hundred eighty-four thousand, five hundred forty-two".