543266560 has 72 divisors (see below), whose sum is σ = 1336579776. Its totient is φ = 211415040.

The previous prime is 543266551. The next prime is 543266567. The reversal of 543266560 is 65662345.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (543266567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41625 + ... + 53095.

It is an arithmetic number, because the mean of its divisors is an integer number (18563608).

Almost surely, 2^543266560 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 543266560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (668289888).

543266560 is an abundant number, since it is smaller than the sum of its proper divisors (793313216).

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

543266560 is a wasteful number, since it uses less digits than its factorization.

543266560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11529 (or 11515 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 37.

The square root of 543266560 is about 23308.0792859472. The cubic root of 543266560 is about 815.9639866203.

The spelling of 543266560 in words is "five hundred forty-three million, two hundred sixty-six thousand, five hundred sixty".