55189067 has 2 divisors, whose sum is σ = 55189068. Its totient is φ = 55189066.

The previous prime is 55189063. The next prime is 55189073. The reversal of 55189067 is 76098155.

55189067 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 55189067 - 2² = 55189063 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (55189063) 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, 27594533 + 27594534.

It is an arithmetic number, because the mean of its divisors is an integer number (27594534).

Almost surely, 2^55189067 is an apocalyptic number.

55189067 is a deficient number, since it is larger than the sum of its proper divisors (1).

55189067 is an equidigital number, since it uses as much as digits as its factorization.

55189067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75600, while the sum is 41.

The square root of 55189067 is about 7428.9344458004. The cubic root of 55189067 is about 380.7305130424.

The spelling of 55189067 in words is "fifty-five million, one hundred eighty-nine thousand, sixty-seven".