564459550 has 12 divisors (see below), whose sum is σ = 1049894856. Its totient is φ = 225783800.

The previous prime is 564459547. The next prime is 564459559. The reversal of 564459550 is 55954465.

564459550 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×564459550² = 637229167172405000, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 564459497 and 564459506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564459559) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5644546 + ... + 5644645.

It is an arithmetic number, because the mean of its divisors is an integer number (87491238).

Almost surely, 2^564459550 is an apocalyptic number.

564459550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

564459550 is a deficient number, since it is larger than the sum of its proper divisors (485435306).

564459550 is a wasteful number, since it uses less digits than its factorization.

564459550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11289203 (or 11289198 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 43.

The square root of 564459550 is about 23758.3574768964. The cubic root of 564459550 is about 826.4392629866.

The spelling of 564459550 in words is "five hundred sixty-four million, four hundred fifty-nine thousand, five hundred fifty".