543403546542 has 96 divisors (see below), whose sum is σ = 1266220200960. Its totient is φ = 168016368960.

The previous prime is 543403546531. The next prime is 543403546549. The reversal of 543403546542 is 245645304345.

543403546542 is a `hidden beast` number, since 5 + 4 + 34 + 0 + 35 + 46 + 542 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (543403546549) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1992817 + ... + 2249027.

It is an arithmetic number, because the mean of its divisors is an integer number (13189793760).

Almost surely, 2^543403546542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 543403546542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (633110100480).

543403546542 is an abundant number, since it is smaller than the sum of its proper divisors (722816654418).

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

543403546542 is a wasteful number, since it uses less digits than its factorization.

543403546542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256398 (or 256395 counting only the distinct ones).

The product of its (nonzero) digits is 3456000, while the sum is 45.

The spelling of 543403546542 in words is "five hundred forty-three billion, four hundred three million, five hundred forty-six thousand, five hundred forty-two".