55204513243542 has 36 divisors (see below), whose sum is σ = 129518281078524. Its totient is φ = 16986004074000.

The previous prime is 55204513243499. The next prime is 55204513243549. The reversal of 55204513243542 is 24534231540255.

55204513243542 is a `hidden beast` number, since 5 + 5 + 2 + 0 + 45 + 132 + 435 + 42 = 666.

55204513243542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55204513243549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 9073717084 + ... + 9073723167.

It is an arithmetic number, because the mean of its divisors is an integer number (3597730029959).

Almost surely, 2^{55204513243542} is an apocalyptic number.

55204513243542 is an abundant number, since it is smaller than the sum of its proper divisors (74313767834982).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55204513243542 is a wasteful number, since it uses less digits than its factorization.

55204513243542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18147440285 (or 18147440269 counting only the distinct ones).

The product of its (nonzero) digits is 2880000, while the sum is 45.

Adding to 55204513243542 its reverse (24534231540255), we get a palindrome (79738744783797).

The spelling of 55204513243542 in words is "fifty-five trillion, two hundred four billion, five hundred thirteen million, two hundred forty-three thousand, five hundred forty-two".