543520004544 has 336 divisors, whose sum is σ = 1730463131904. Its totient is φ = 163080276480.

The previous prime is 543520004539. The next prime is 543520004569. The reversal of 543520004544 is 445400025345.

543520004544 is a `hidden beast` number, since 54 + 3 + 520 + 0 + 0 + 45 + 44 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 543520004499 and 543520004508.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 78962127 + ... + 78969009.

Almost surely, 2^543520004544 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 543520004544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (865231565952).

543520004544 is an abundant number, since it is smaller than the sum of its proper divisors (1186943127360).

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

543520004544 is a wasteful number, since it uses less digits than its factorization.

543520004544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7037 (or 7002 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 36.

Adding to 543520004544 its reverse (445400025345), we get a palindrome (988920029889).

The spelling of 543520004544 in words is "five hundred forty-three billion, five hundred twenty million, four thousand, five hundred forty-four".