55275585123 has 16 divisors (see below), whose sum is σ = 82361849472. Its totient is φ = 32683272000.

The previous prime is 55275585091. The next prime is 55275585139. The reversal of 55275585123 is 32158557255.

It is not a de Polignac number, because 55275585123 - 2⁵ = 55275585091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55275585193) 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 15 ways as a sum of consecutive naturals, for example, 20425693 + ... + 20428398.

It is an arithmetic number, because the mean of its divisors is an integer number (5147615592).

Almost surely, 2^55275585123 is an apocalyptic number.

55275585123 is a deficient number, since it is larger than the sum of its proper divisors (27086264349).

55275585123 is a wasteful number, since it uses less digits than its factorization.

55275585123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40854146.

The product of its digits is 2100000, while the sum is 48.

The spelling of 55275585123 in words is "fifty-five billion, two hundred seventy-five million, five hundred eighty-five thousand, one hundred twenty-three".