545555240343 has 24 divisors (see below), whose sum is σ = 821147886000. Its totient is φ = 348598744704.

The previous prime is 545555240317. The next prime is 545555240387. The reversal of 545555240343 is 343042555545.

545555240343 is a `hidden beast` number, since 5 + 4 + 55 + 552 + 4 + 0 + 3 + 43 = 666.

It is not a de Polignac number, because 545555240343 - 2¹⁰ = 545555239319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545555240143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7592893 + ... + 7664406.

It is an arithmetic number, because the mean of its divisors is an integer number (34214495250).

Almost surely, 2^545555240343 is an apocalyptic number.

545555240343 is a deficient number, since it is larger than the sum of its proper divisors (275592645657).

545555240343 is a wasteful number, since it uses less digits than its factorization.

545555240343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15257471 (or 15257468 counting only the distinct ones).

The product of its (nonzero) digits is 3600000, while the sum is 45.

Adding to 545555240343 its reverse (343042555545), we get a palindrome (888597795888).

The spelling of 545555240343 in words is "five hundred forty-five billion, five hundred fifty-five million, two hundred forty thousand, three hundred forty-three".