55655172011523 has 64 divisors (see below), whose sum is σ = 85279697068032. Its totient is φ = 31626484162560.

The previous prime is 55655172011489. The next prime is 55655172011573. The reversal of 55655172011523 is 32511027155655.

It is a happy number.

55655172011523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55655172011523 - 2⁹ = 55655172011011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55655172011573) 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 63 ways as a sum of consecutive naturals, for example, 13116936840 + ... + 13116941082.

It is an arithmetic number, because the mean of its divisors is an integer number (1332495266688).

Almost surely, 2^{55655172011523} is an apocalyptic number.

55655172011523 is a deficient number, since it is larger than the sum of its proper divisors (29624525056509).

55655172011523 is a wasteful number, since it uses less digits than its factorization.

55655172011523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7984.

The product of its (nonzero) digits is 1575000, while the sum is 48.

The spelling of 55655172011523 in words is "fifty-five trillion, six hundred fifty-five billion, one hundred seventy-two million, eleven thousand, five hundred twenty-three".