55189063 has 2 divisors, whose sum is σ = 55189064. Its totient is φ = 55189062.

The previous prime is 55189051. The next prime is 55189067. The reversal of 55189063 is 36098155.

55189063 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 55189063 - 2⁵ = 55189031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55189067) 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, 27594531 + 27594532.

It is an arithmetic number, because the mean of its divisors is an integer number (27594532).

Almost surely, 2^55189063 is an apocalyptic number.

55189063 is a deficient number, since it is larger than the sum of its proper divisors (1).

55189063 is an equidigital number, since it uses as much as digits as its factorization.

55189063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 55189063 is about 7428.9341765828. The cubic root of 55189063 is about 380.7305038442.

The spelling of 55189063 in words is "fifty-five million, one hundred eighty-nine thousand, sixty-three".