55123321120045 has 8 divisors (see below), whose sum is σ = 66148130262240. Its totient is φ = 44098560283920.

The previous prime is 55123321120013. The next prime is 55123321120067. The reversal of 55123321120045 is 54002112332155.

55123321120045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55123321120045 - 2⁵ = 55123321120013 is a prime.

It is a super-3 number, since 3×55123321120045³ (a number of 42 digits) contains 333 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 9516711 + ... + 14170900.

It is an arithmetic number, because the mean of its divisors is an integer number (8268516282780).

Almost surely, 2^{55123321120045} is an apocalyptic number.

It is an amenable number.

55123321120045 is a deficient number, since it is larger than the sum of its proper divisors (11024809142195).

55123321120045 is a wasteful number, since it uses less digits than its factorization.

55123321120045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24153035.

The product of its (nonzero) digits is 36000, while the sum is 34.

The spelling of 55123321120045 in words is "fifty-five trillion, one hundred twenty-three billion, three hundred twenty-one million, one hundred twenty thousand, forty-five".