543120049 has 4 divisors (see below), whose sum is σ = 546765300. Its totient is φ = 539474800.

The previous prime is 543120037. The next prime is 543120089. The reversal of 543120049 is 940021345.

543120049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 940021345 = 5 ⋅188004269.

It can be written as a sum of positive squares in 2 ways, for example, as 261954225 + 281165824 = 16185^2 + 16768^2 .

It is a cyclic number.

It is not a de Polignac number, because 543120049 - 2¹¹ = 543118001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 543119999 and 543120026.

It is not an unprimeable number, because it can be changed into a prime (543120089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1822402 + ... + 1822699.

It is an arithmetic number, because the mean of its divisors is an integer number (136691325).

Almost surely, 2^543120049 is an apocalyptic number.

It is an amenable number.

543120049 is a deficient number, since it is larger than the sum of its proper divisors (3645251).

543120049 is a wasteful number, since it uses less digits than its factorization.

543120049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3645250.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 543120049 is about 23304.9361509531. The cubic root of 543120049 is about 815.8906288638.

The spelling of 543120049 in words is "five hundred forty-three million, one hundred twenty thousand, forty-nine".