55768849 has 2 divisors, whose sum is σ = 55768850. Its totient is φ = 55768848.

The previous prime is 55768847. The next prime is 55768871. The reversal of 55768849 is 94886755.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48650625 + 7118224 = 6975^2 + 2668^2 .

It is a cyclic number.

It is not a de Polignac number, because 55768849 - 2¹ = 55768847 is a prime.

It is a super-2 number, since 2×55768849² = 6220329037569602, which contains 22 as substring.

Together with 55768847, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 55768796 and 55768805.

It is not a weakly prime, because it can be changed into another prime (55768847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27884424 + 27884425.

It is an arithmetic number, because the mean of its divisors is an integer number (27884425).

Almost surely, 2^55768849 is an apocalyptic number.

It is an amenable number.

55768849 is a deficient number, since it is larger than the sum of its proper divisors (1).

55768849 is an equidigital number, since it uses as much as digits as its factorization.

55768849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2419200, while the sum is 52.

The square root of 55768849 is about 7467.8543772626. The cubic root of 55768849 is about 382.0591106685.

The spelling of 55768849 in words is "fifty-five million, seven hundred sixty-eight thousand, eight hundred forty-nine".