543352420 has 48 divisors (see below), whose sum is σ = 1240360128. Its totient is φ = 198737280.

The previous prime is 543352409. The next prime is 543352423. The reversal of 543352420 is 24253345.

It is not an unprimeable number, because it can be changed into a prime (543352423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18055 + ... + 37585.

It is an arithmetic number, because the mean of its divisors is an integer number (25840836).

Almost surely, 2^543352420 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 543352420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (620180064).

543352420 is an abundant number, since it is smaller than the sum of its proper divisors (697007708).

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

543352420 is a wasteful number, since it uses less digits than its factorization.

543352420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19660 (or 19658 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 543352420 is about 23309.9210637874. The cubic root of 543352420 is about 816.0069704166.

The spelling of 543352420 in words is "five hundred forty-three million, three hundred fifty-two thousand, four hundred twenty".