543761320 has 64 divisors (see below), whose sum is σ = 1316768400. Its totient is φ = 201338880.

The previous prime is 543761299. The next prime is 543761321. The reversal of 543761320 is 23167345.

It can be written as a sum of positive squares in 8 ways, for example, as 125395204 + 418366116 = 11198^2 + 20454^2 .

It is not an unprimeable number, because it can be changed into a prime (543761321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34926 + ... + 48034.

Almost surely, 2^543761320 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 543761320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (658384200).

543761320 is an abundant number, since it is smaller than the sum of its proper divisors (773007080).

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

543761320 is a wasteful number, since it uses less digits than its factorization.

543761320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13198 (or 13194 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 543761320 is about 23318.6903577366. The cubic root of 543761320 is about 816.2116145069.

It can be divided in two parts, 54376 and 1320, that added together give a square (55696 = 236²).

The spelling of 543761320 in words is "five hundred forty-three million, seven hundred sixty-one thousand, three hundred twenty".