55648211 has 2 divisors, whose sum is σ = 55648212. Its totient is φ = 55648210.

The previous prime is 55648189. The next prime is 55648213. The reversal of 55648211 is 11284655.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55648211 - 2⁶ = 55648147 is a prime.

Together with 55648213, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 12.

It is not a weakly prime, because it can be changed into another prime (55648213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27824105 + 27824106.

It is an arithmetic number, because the mean of its divisors is an integer number (27824106).

Almost surely, 2^55648211 is an apocalyptic number.

55648211 is a deficient number, since it is larger than the sum of its proper divisors (1).

55648211 is an equidigital number, since it uses as much as digits as its factorization.

55648211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9600, while the sum is 32.

The square root of 55648211 is about 7459.7728517697. The cubic root of 55648211 is about 381.7834243785.

The spelling of 55648211 in words is "fifty-five million, six hundred forty-eight thousand, two hundred eleven".