55168354369 has 4 divisors (see below), whose sum is σ = 57566978496. Its totient is φ = 52769730244.

The previous prime is 55168354361. The next prime is 55168354453. The reversal of 55168354369 is 96345386155.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55168354369 - 2³ = 55168354361 is a prime.

It is a super-2 number, since 2×55168354369² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55168354361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1199312029 + ... + 1199312074.

It is an arithmetic number, because the mean of its divisors is an integer number (14391744624).

Almost surely, 2^55168354369 is an apocalyptic number.

It is an amenable number.

55168354369 is a deficient number, since it is larger than the sum of its proper divisors (2398624127).

55168354369 is a wasteful number, since it uses less digits than its factorization.

55168354369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2398624126.

The product of its digits is 11664000, while the sum is 55.

The spelling of 55168354369 in words is "fifty-five billion, one hundred sixty-eight million, three hundred fifty-four thousand, three hundred sixty-nine".