543385920 has 224 divisors, whose sum is σ = 2151254016. Its totient is φ = 112896000.

The previous prime is 543385919. The next prime is 543385951. The reversal of 543385920 is 29583345.

It is a tau number, because it is divible by the number of its divisors (224).

It is a super-3 number, since 3×543385920³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70245 + ... + 77595.

Almost surely, 2^543385920 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 543385920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1075627008).

543385920 is an abundant number, since it is smaller than the sum of its proper divisors (1607868096).

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

543385920 is a wasteful number, since it uses less digits than its factorization.

543385920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7389 (or 7379 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 39.

The square root of 543385920 is about 23310.6396308638. The cubic root of 543385920 is about 816.0237401782.

The spelling of 543385920 in words is "five hundred forty-three million, three hundred eighty-five thousand, nine hundred twenty".