55165268747198 has 4 divisors (see below), whose sum is σ = 82747903120800. Its totient is φ = 27582634373598.

The previous prime is 55165268747177. The next prime is 55165268747219. The reversal of 55165268747198 is 89174786256155.

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

It is an interprime number because it is at equal distance from previous prime (55165268747177) and next prime (55165268747219).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13791317186798 + ... + 13791317186801.

It is an arithmetic number, because the mean of its divisors is an integer number (20686975780200).

Almost surely, 2^{55165268747198} is an apocalyptic number.

55165268747198 is a deficient number, since it is larger than the sum of its proper divisors (27582634373602).

55165268747198 is a wasteful number, since it uses less digits than its factorization.

55165268747198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27582634373601.

The product of its digits is 1016064000, while the sum is 74.

The spelling of 55165268747198 in words is "fifty-five trillion, one hundred sixty-five billion, two hundred sixty-eight million, seven hundred forty-seven thousand, one hundred ninety-eight".