55305030555523 has 4 divisors (see below), whose sum is σ = 63205749206320. Its totient is φ = 47404311904728.

The previous prime is 55305030555499. The next prime is 55305030555529. The reversal of 55305030555523 is 32555503050355.

55305030555523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 55305030555523 - 2¹³ = 55305030547331 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55305030555529) 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 3 ways as a sum of consecutive naturals, for example, 3950359325388 + ... + 3950359325401.

It is an arithmetic number, because the mean of its divisors is an integer number (15801437301580).

Almost surely, 2^{55305030555523} is an apocalyptic number.

55305030555523 is a deficient number, since it is larger than the sum of its proper divisors (7900718650797).

55305030555523 is an equidigital number, since it uses as much as digits as its factorization.

55305030555523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7900718650796.

The product of its (nonzero) digits is 4218750, while the sum is 46.

The spelling of 55305030555523 in words is "fifty-five trillion, three hundred five billion, thirty million, five hundred fifty-five thousand, five hundred twenty-three".