55254927169 has 4 divisors (see below), whose sum is σ = 59505306196. Its totient is φ = 51004548144.

The previous prime is 55254927163. The next prime is 55254927173. The reversal of 55254927169 is 96172945255.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5676115600 + 49578811569 = 75340^2 + 222663^2 .

It is a cyclic number.

It is not a de Polignac number, because 55254927169 - 2⁵ = 55254927137 is a prime.

It is a super-2 number, since 2×55254927169² (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 (55254927163) 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, 2125189494 + ... + 2125189519.

It is an arithmetic number, because the mean of its divisors is an integer number (14876326549).

Almost surely, 2^55254927169 is an apocalyptic number.

It is an amenable number.

55254927169 is a deficient number, since it is larger than the sum of its proper divisors (4250379027).

55254927169 is a wasteful number, since it uses less digits than its factorization.

55254927169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4250379026.

The product of its digits is 6804000, while the sum is 55.

The spelling of 55254927169 in words is "fifty-five billion, two hundred fifty-four million, nine hundred twenty-seven thousand, one hundred sixty-nine".