543055221013542 has 64 divisors (see below), whose sum is σ = 1091753429145600. Its totient is φ = 180080724096000.

The previous prime is 543055221013439. The next prime is 543055221013549. The reversal of 543055221013542 is 245310122550345.

It is a junction number, because it is equal to n+sod(n) for n = 543055221013494 and 543055221013503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (543055221013549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1714252959 + ... + 1714569717.

It is an arithmetic number, because the mean of its divisors is an integer number (17058647330400).

Almost surely, 2^{543055221013542} is an apocalyptic number.

543055221013542 is an abundant number, since it is smaller than the sum of its proper divisors (548698208132058).

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

543055221013542 is a wasteful number, since it uses less digits than its factorization.

543055221013542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318981.

The product of its (nonzero) digits is 720000, while the sum is 42.

Adding to 543055221013542 its reverse (245310122550345), we get a palindrome (788365343563887).

The spelling of 543055221013542 in words is "five hundred forty-three trillion, fifty-five billion, two hundred twenty-one million, thirteen thousand, five hundred forty-two".