544545543 has 4 divisors (see below), whose sum is σ = 726060728. Its totient is φ = 363030360.

The previous prime is 544545541. The next prime is 544545571. The reversal of 544545543 is 345545445.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 544545543 - 2¹ = 544545541 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 (544545541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90757588 + ... + 90757593.

It is an arithmetic number, because the mean of its divisors is an integer number (181515182).

Almost surely, 2^544545543 is an apocalyptic number.

544545543 is a deficient number, since it is larger than the sum of its proper divisors (181515185).

544545543 is a wasteful number, since it uses less digits than its factorization.

544545543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181515184.

The product of its digits is 480000, while the sum is 39.

The square root of 544545543 is about 23335.4996303915. The cubic root of 544545543 is about 816.6038113686.

The spelling of 544545543 in words is "five hundred forty-four million, five hundred forty-five thousand, five hundred forty-three".