55102172199 has 8 divisors (see below), whose sum is σ = 77791302000. Its totient is φ = 34573911936.

The previous prime is 55102172197. The next prime is 55102172201. The reversal of 55102172199 is 99127120155.

It is an interprime number because it is at equal distance from previous prime (55102172197) and next prime (55102172201).

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

It is not a de Polignac number, because 55102172199 - 2¹ = 55102172197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55102172199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55102172197) 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, 540217324 + ... + 540217425.

It is an arithmetic number, because the mean of its divisors is an integer number (9723912750).

Almost surely, 2^55102172199 is an apocalyptic number.

55102172199 is a deficient number, since it is larger than the sum of its proper divisors (22689129801).

55102172199 is a wasteful number, since it uses less digits than its factorization.

55102172199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080434769.

The product of its (nonzero) digits is 56700, while the sum is 42.

The spelling of 55102172199 in words is "fifty-five billion, one hundred two million, one hundred seventy-two thousand, one hundred ninety-nine".