55200155201 has 8 divisors (see below), whose sum is σ = 58450316040. Its totient is φ = 51950338048.

The previous prime is 55200155161. The next prime is 55200155203. The reversal of 55200155201 is 10255100255.

It can be written as a sum of positive squares in 4 ways, for example, as 5898393601 + 49301761600 = 76801^2 + 222040^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55200155201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55200155203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 292385 + ... + 442593.

It is an arithmetic number, because the mean of its divisors is an integer number (7306289505).

Almost surely, 2^55200155201 is an apocalyptic number.

It is an amenable number.

55200155201 is a deficient number, since it is larger than the sum of its proper divisors (3250160839).

55200155201 is a wasteful number, since it uses less digits than its factorization.

55200155201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171843.

The product of its (nonzero) digits is 2500, while the sum is 26.

Adding to 55200155201 its reverse (10255100255), we get a palindrome (65455255456).

The spelling of 55200155201 in words is "fifty-five billion, two hundred million, one hundred fifty-five thousand, two hundred one".