564323100 has 72 divisors (see below), whose sum is σ = 1781219328. Its totient is φ = 136804800.

The previous prime is 564323021. The next prime is 564323119. The reversal of 564323100 is 1323465.

It is a happy number.

It is a super-2 number, since 2×564323100² = 636921122387220000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82204 + ... + 88803.

Almost surely, 2^564323100 is an apocalyptic number.

564323100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

564323100 is an abundant number, since it is smaller than the sum of its proper divisors (1216896228).

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

564323100 is a wasteful number, since it uses less digits than its factorization.

564323100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171035 (or 171028 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 564323100 is about 23755.4856822587. The cubic root of 564323100 is about 826.3726643405.

Adding to 564323100 its reverse (1323465), we get a palindrome (565646565).

The spelling of 564323100 in words is "five hundred sixty-four million, three hundred twenty-three thousand, one hundred".