543563240 has 128 divisors (see below), whose sum is σ = 1415232000. Its totient is φ = 186009600.

The previous prime is 543563231. The next prime is 543563243. The reversal of 543563240 is 42365345.

It is a junction number, because it is equal to n+sod(n) for n = 543563197 and 543563206.

It is not an unprimeable number, because it can be changed into a prime (543563243) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 522641 + ... + 523679.

It is an arithmetic number, because the mean of its divisors is an integer number (11056500).

Almost surely, 2^543563240 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 543563240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (707616000).

543563240 is an abundant number, since it is smaller than the sum of its proper divisors (871668760).

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

543563240 is a wasteful number, since it uses less digits than its factorization.

543563240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131 (or 1127 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 32.

The square root of 543563240 is about 23314.4427340651. The cubic root of 543563240 is about 816.1124933017.

The spelling of 543563240 in words is "five hundred forty-three million, five hundred sixty-three thousand, two hundred forty".