55210350155 has 8 divisors (see below), whose sum is σ = 66387356784. Its totient is φ = 44078322400.

The previous prime is 55210350121. The next prime is 55210350163. The reversal of 55210350155 is 55105301255.

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

It is not a de Polignac number, because 55210350155 - 2²⁰ = 55209301579 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11242016 + ... + 11246925.

It is an arithmetic number, because the mean of its divisors is an integer number (8298419598).

Almost surely, 2^55210350155 is an apocalyptic number.

55210350155 is a deficient number, since it is larger than the sum of its proper divisors (11177006629).

55210350155 is a wasteful number, since it uses less digits than its factorization.

55210350155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22489437.

The product of its (nonzero) digits is 18750, while the sum is 32.

The spelling of 55210350155 in words is "fifty-five billion, two hundred ten million, three hundred fifty thousand, one hundred fifty-five".