565554000 has 480 divisors, whose sum is σ = 2161111680. Its totient is φ = 126720000.

The previous prime is 565553951. The next prime is 565554001. The reversal of 565554000 is 455565.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (565554001) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 13793980 + ... + 13794020.

It is an arithmetic number, because the mean of its divisors is an integer number (4502316).

Almost surely, 2^565554000 is an apocalyptic number.

565554000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 565554000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1080555840).

565554000 is an abundant number, since it is smaller than the sum of its proper divisors (1595557680).

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

565554000 is a wasteful number, since it uses less digits than its factorization.

565554000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108 (or 81 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 565554000 is about 23781.3792703451. The cubic root of 565554000 is about 826.9730552922.

The spelling of 565554000 in words is "five hundred sixty-five million, five hundred fifty-four thousand".