542445543 has 12 divisors (see below), whose sum is σ = 787472400. Its totient is φ = 359811936.

The previous prime is 542445523. The next prime is 542445557. The reversal of 542445543 is 345544245.

542445543 is a `hidden beast` number, since 54 + 24 + 45 + 543 = 666.

542445543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 542445543 - 2⁵ = 542445511 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 542445498 and 542445507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542445523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 149646 + ... + 153227.

It is an arithmetic number, because the mean of its divisors is an integer number (65622700).

Almost surely, 2^542445543 is an apocalyptic number.

542445543 is a deficient number, since it is larger than the sum of its proper divisors (245026857).

542445543 is a wasteful number, since it uses less digits than its factorization.

542445543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303078 (or 303075 counting only the distinct ones).

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

The square root of 542445543 is about 23290.4603432392. The cubic root of 542445543 is about 815.5527348138.

Adding to 542445543 its reverse (345544245), we get a palindrome (887989788).

The spelling of 542445543 in words is "five hundred forty-two million, four hundred forty-five thousand, five hundred forty-three".