543253520515442 has 16 divisors (see below), whose sum is σ = 892876431003552. Its totient is φ = 245845605997920.

The previous prime is 543253520515441. The next prime is 543253520515451. The reversal of 543253520515442 is 244515025352345.

It is not an unprimeable number, because it can be changed into a prime (543253520515441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54390615803 + ... + 54390625790.

It is an arithmetic number, because the mean of its divisors is an integer number (55804776937722).

Almost surely, 2^{543253520515442} is an apocalyptic number.

543253520515442 is a deficient number, since it is larger than the sum of its proper divisors (349622910488110).

543253520515442 is a wasteful number, since it uses less digits than its factorization.

543253520515442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108781241833.

The product of its (nonzero) digits is 14400000, while the sum is 50.

Adding to 543253520515442 its reverse (244515025352345), we get a palindrome (787768545867787).

The spelling of 543253520515442 in words is "five hundred forty-three trillion, two hundred fifty-three billion, five hundred twenty million, five hundred fifteen thousand, four hundred forty-two".