564057774 has 48 divisors (see below), whose sum is σ = 1401953280. Its totient is φ = 160554960.

The previous prime is 564057757. The next prime is 564057779. The reversal of 564057774 is 477750465.

564057774 is a `hidden beast` number, since 5 + 6 + 4 + 0 + 577 + 74 = 666.

It is a super-2 number, since 2×564057774² = 636322344819670152, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564057779) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 25887 + ... + 42405.

It is an arithmetic number, because the mean of its divisors is an integer number (29207360).

Almost surely, 2^564057774 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 564057774, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (700976640).

564057774 is an abundant number, since it is smaller than the sum of its proper divisors (837895506).

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

564057774 is a wasteful number, since it uses less digits than its factorization.

564057774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16805 (or 16802 counting only the distinct ones).

The product of its (nonzero) digits is 823200, while the sum is 45.

The square root of 564057774 is about 23749.9005050548. The cubic root of 564057774 is about 826.2431330341.

The spelling of 564057774 in words is "five hundred sixty-four million, fifty-seven thousand, seven hundred seventy-four".