55210054353145 has 4 divisors (see below), whose sum is σ = 66252065223780. Its totient is φ = 44168043482512.

The previous prime is 55210054353133. The next prime is 55210054353187. The reversal of 55210054353145 is 54135345001255.

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

It can be written as a sum of positive squares in 2 ways, for example, as 17255250755136 + 37954803598009 = 4153944^2 + 6160747^2 .

It is a cyclic number.

It is not a de Polignac number, because 55210054353145 - 2¹⁷ = 55210054222073 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5521005435310 + ... + 5521005435319.

It is an arithmetic number, because the mean of its divisors is an integer number (16563016305945).

Almost surely, 2^{55210054353145} is an apocalyptic number.

It is an amenable number.

55210054353145 is a deficient number, since it is larger than the sum of its proper divisors (11042010870635).

55210054353145 is a wasteful number, since it uses less digits than its factorization.

55210054353145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11042010870634.

The product of its (nonzero) digits is 900000, while the sum is 43.

The spelling of 55210054353145 in words is "fifty-five trillion, two hundred ten billion, fifty-four million, three hundred fifty-three thousand, one hundred forty-five".