542550066423 has 16 divisors (see below), whose sum is σ = 724790976000. Its totient is φ = 361005272640.

The previous prime is 542550066403. The next prime is 542550066439. The reversal of 542550066423 is 324660055245.

It is not a de Polignac number, because 542550066423 - 2¹⁰ = 542550065399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542550066403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3186768 + ... + 3352698.

It is an arithmetic number, because the mean of its divisors is an integer number (45299436000).

Almost surely, 2^542550066423 is an apocalyptic number.

542550066423 is a deficient number, since it is larger than the sum of its proper divisors (182240909577).

542550066423 is a wasteful number, since it uses less digits than its factorization.

542550066423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168022.

The product of its (nonzero) digits is 864000, while the sum is 42.

The spelling of 542550066423 in words is "five hundred forty-two billion, five hundred fifty million, sixty-six thousand, four hundred twenty-three".