55433171 has 2 divisors, whose sum is σ = 55433172. Its totient is φ = 55433170.

The previous prime is 55433159. The next prime is 55433221. The reversal of 55433171 is 17133455.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55433171 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (55433671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27716585 + 27716586.

It is an arithmetic number, because the mean of its divisors is an integer number (27716586).

Almost surely, 2^55433171 is an apocalyptic number.

55433171 is a deficient number, since it is larger than the sum of its proper divisors (1).

55433171 is an equidigital number, since it uses as much as digits as its factorization.

55433171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6300, while the sum is 29.

The square root of 55433171 is about 7445.3455930534. The cubic root of 55433171 is about 381.2910174986.

The spelling of 55433171 in words is "fifty-five million, four hundred thirty-three thousand, one hundred seventy-one".