55080911 has 2 divisors, whose sum is σ = 55080912. Its totient is φ = 55080910.

The previous prime is 55080887. The next prime is 55080919. The reversal of 55080911 is 11908055.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55080911 - 2⁶ = 55080847 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55080919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27540455 + 27540456.

It is an arithmetic number, because the mean of its divisors is an integer number (27540456).

Almost surely, 2^55080911 is an apocalyptic number.

55080911 is a deficient number, since it is larger than the sum of its proper divisors (1).

55080911 is an equidigital number, since it uses as much as digits as its factorization.

55080911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 29.

The square root of 55080911 is about 7421.6515008453. The cubic root of 55080911 is about 380.4816399687.

Adding to 55080911 its reverse (11908055), we get a palindrome (66988966).

The spelling of 55080911 in words is "fifty-five million, eighty thousand, nine hundred eleven".