55168849 has 2 divisors, whose sum is σ = 55168850. Its totient is φ = 55168848.

The previous prime is 55168843. The next prime is 55168853. The reversal of 55168849 is 94886155.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54982225 + 186624 = 7415^2 + 432^2 .

It is a cyclic number.

It is not a de Polignac number, because 55168849 - 2¹¹ = 55166801 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 55168799 and 55168808.

It is not a weakly prime, because it can be changed into another prime (55168843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27584424 + 27584425.

It is an arithmetic number, because the mean of its divisors is an integer number (27584425).

Almost surely, 2^55168849 is an apocalyptic number.

It is an amenable number.

55168849 is a deficient number, since it is larger than the sum of its proper divisors (1).

55168849 is an equidigital number, since it uses as much as digits as its factorization.

55168849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 345600, while the sum is 46.

The square root of 55168849 is about 7427.5735607263. The cubic root of 55168849 is about 380.6840150063.

It can be divided in two parts, 5516 and 8849, that added together give a triangular number (14365 = T₁₆₉).

The spelling of 55168849 in words is "fifty-five million, one hundred sixty-eight thousand, eight hundred forty-nine".