55366232403204 has 72 divisors (see below), whose sum is σ = 141095974376448. Its totient is φ = 18304842386880.

The previous prime is 55366232403199. The next prime is 55366232403259. The reversal of 55366232403204 is 40230423266355.

It is a happy number.

55366232403204 is a `hidden beast` number, since 5 + 5 + 3 + 6 + 6 + 2 + 32 + 403 + 204 = 666.

55366232403204 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 55366232403204.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 14226414 + ... + 17695290.

It is an arithmetic number, because the mean of its divisors is an integer number (1959666310784).

Almost surely, 2^{55366232403204} is an apocalyptic number.

It is an amenable number.

55366232403204 is an abundant number, since it is smaller than the sum of its proper divisors (85729741973244).

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

55366232403204 is a wasteful number, since it uses less digits than its factorization.

55366232403204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3472505 (or 3472500 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 45.

Adding to 55366232403204 its reverse (40230423266355), we get a palindrome (95596655669559).

The spelling of 55366232403204 in words is "fifty-five trillion, three hundred sixty-six billion, two hundred thirty-two million, four hundred three thousand, two hundred four".