55200155165 has 8 divisors (see below), whose sum is σ = 66662099160. Its totient is φ = 43878848832.

The previous prime is 55200155161. The next prime is 55200155203. The reversal of 55200155165 is 56155100255.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 865477561 + 54334677604 = 29419^2 + 233098^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 55200155165 - 2² = 55200155161 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55200155161) by changing a digit.

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, 35158550 + ... + 35160119.

It is an arithmetic number, because the mean of its divisors is an integer number (8332762395).

Almost surely, 2^55200155165 is an apocalyptic number.

It is an amenable number.

55200155165 is a deficient number, since it is larger than the sum of its proper divisors (11461943995).

55200155165 is a wasteful number, since it uses less digits than its factorization.

55200155165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70318831.

The product of its (nonzero) digits is 37500, while the sum is 35.

The spelling of 55200155165 in words is "fifty-five billion, two hundred million, one hundred fifty-five thousand, one hundred sixty-five".