243413055 has 48 divisors (see below), whose sum is σ = 454390560. Its totient is φ = 120090624.

The previous prime is 243413039. The next prime is 243413069. The reversal of 243413055 is 550314342.

243413055 is a `hidden beast` number, since 243 + 413 + 0 + 5 + 5 = 666.

It is not a de Polignac number, because 243413055 - 2⁴ = 243413039 is a prime.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 42439 + ... + 47831.

It is an arithmetic number, because the mean of its divisors is an integer number (9466470).

Almost surely, 2^243413055 is an apocalyptic number.

243413055 is a deficient number, since it is larger than the sum of its proper divisors (210977505).

243413055 is a wasteful number, since it uses less digits than its factorization.

243413055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5480 (or 5477 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 243413055 is about 15601.7003880987. The cubic root of 243413055 is about 624.3785224966.

Adding to 243413055 its reverse (550314342), we get a palindrome (793727397).

The spelling of 243413055 in words is "two hundred forty-three million, four hundred thirteen thousand, fifty-five".