55152211 has 2 divisors, whose sum is σ = 55152212. Its totient is φ = 55152210.

The previous prime is 55152169. The next prime is 55152217. The reversal of 55152211 is 11225155.

It is a happy number.

55152211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55152211 - 2¹¹ = 55150163 is a prime.

It is not a weakly prime, because it can be changed into another prime (55152217) 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 as a sum of consecutive naturals, namely, 27576105 + 27576106.

It is an arithmetic number, because the mean of its divisors is an integer number (27576106).

Almost surely, 2^55152211 is an apocalyptic number.

55152211 is a deficient number, since it is larger than the sum of its proper divisors (1).

55152211 is an equidigital number, since it uses as much as digits as its factorization.

55152211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 500, while the sum is 22.

The square root of 55152211 is about 7426.4534604345. The cubic root of 55152211 is about 380.6457418528.

Adding to 55152211 its reverse (11225155), we get a palindrome (66377366).

The spelling of 55152211 in words is "fifty-five million, one hundred fifty-two thousand, two hundred eleven".