55198383841 has 4 divisors (see below), whose sum is σ = 55218121492. Its totient is φ = 55178646192.

The previous prime is 55198383833. The next prime is 55198383901. The reversal of 55198383841 is 14838389155.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14838389155 = 5 ⋅2967677831.

It can be written as a sum of positive squares in 2 ways, for example, as 25587201600 + 29611182241 = 159960^2 + 172079^2 .

It is a cyclic number.

It is not a de Polignac number, because 55198383841 - 2³ = 55198383833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55198383811) 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 3 ways as a sum of consecutive naturals, for example, 9864630 + ... + 9870223.

It is an arithmetic number, because the mean of its divisors is an integer number (13804530373).

Almost surely, 2^55198383841 is an apocalyptic number.

It is an amenable number.

55198383841 is a deficient number, since it is larger than the sum of its proper divisors (19737651).

55198383841 is a wasteful number, since it uses less digits than its factorization.

55198383841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19737650.

The product of its digits is 4147200, while the sum is 55.

The spelling of 55198383841 in words is "fifty-five billion, one hundred ninety-eight million, three hundred eighty-three thousand, eight hundred forty-one".