564143450 has 24 divisors (see below), whose sum is σ = 1130024028. Its totient is φ = 208298880.

The previous prime is 564143449. The next prime is 564143473. The reversal of 564143450 is 54341465.

It can be written as a sum of positive squares in 6 ways, for example, as 71791729 + 492351721 = 8473^2 + 22189^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 433307 + ... + 434606.

Almost surely, 2^564143450 is an apocalyptic number.

564143450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

564143450 is an abundant number, since it is smaller than the sum of its proper divisors (565880578).

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

564143450 is a wasteful number, since it uses less digits than its factorization.

564143450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867938 (or 867933 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 564143450 is about 23751.7041493868. The cubic root of 564143450 is about 826.2849642236.

The spelling of 564143450 in words is "five hundred sixty-four million, one hundred forty-three thousand, four hundred fifty".