55208611 has 2 divisors, whose sum is σ = 55208612. Its totient is φ = 55208610.

The previous prime is 55208581. The next prime is 55208627. The reversal of 55208611 is 11680255.

55208611 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 55208611 - 2¹¹ = 55206563 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55208611.

It is not a weakly prime, because it can be changed into another prime (55208641) 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, 27604305 + 27604306.

It is an arithmetic number, because the mean of its divisors is an integer number (27604306).

Almost surely, 2^55208611 is an apocalyptic number.

55208611 is a deficient number, since it is larger than the sum of its proper divisors (1).

55208611 is an equidigital number, since it uses as much as digits as its factorization.

55208611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2400, while the sum is 28.

The square root of 55208611 is about 7430.2497266243. The cubic root of 55208611 is about 380.7754501973.

Adding to 55208611 its reverse (11680255), we get a palindrome (66888866).

The spelling of 55208611 in words is "fifty-five million, two hundred eight thousand, six hundred eleven".