55527811 has 2 divisors, whose sum is σ = 55527812. Its totient is φ = 55527810.

The previous prime is 55527809. The next prime is 55527833. The reversal of 55527811 is 11872555.

55527811 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55527811 - 2¹ = 55527809 is a prime.

Together with 55527809, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (55527841) 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, 27763905 + 27763906.

It is an arithmetic number, because the mean of its divisors is an integer number (27763906).

Almost surely, 2^55527811 is an apocalyptic number.

55527811 is a deficient number, since it is larger than the sum of its proper divisors (1).

55527811 is an equidigital number, since it uses as much as digits as its factorization.

55527811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14000, while the sum is 34.

The square root of 55527811 is about 7451.6985312075. The cubic root of 55527811 is about 381.5078844318.

The spelling of 55527811 in words is "fifty-five million, five hundred twenty-seven thousand, eight hundred eleven".