543855455 has 16 divisors (see below), whose sum is σ = 766723104. Its totient is φ = 365105280.

The previous prime is 543855437. The next prime is 543855457. The reversal of 543855455 is 554558345.

It is a happy number.

543855455 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 543855455 - 2¹² = 543851359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (543855457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 379604 + ... + 381033.

It is an arithmetic number, because the mean of its divisors is an integer number (47920194).

Almost surely, 2^543855455 is an apocalyptic number.

543855455 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

543855455 is a deficient number, since it is larger than the sum of its proper divisors (222867649).

543855455 is a wasteful number, since it uses less digits than its factorization.

543855455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760666.

The product of its digits is 1200000, while the sum is 44.

The square root of 543855455 is about 23320.7087156458. The cubic root of 543855455 is about 816.2587121606.

The spelling of 543855455 in words is "five hundred forty-three million, eight hundred fifty-five thousand, four hundred fifty-five".