55889167 has 2 divisors, whose sum is σ = 55889168. Its totient is φ = 55889166.

The previous prime is 55889161. The next prime is 55889173. The reversal of 55889167 is 76198855.

It is a balanced prime because it is at equal distance from previous prime (55889161) and next prime (55889173).

It is a cyclic number.

It is not a de Polignac number, because 55889167 - 2⁷ = 55889039 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55889167.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55889161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27944583 + 27944584.

It is an arithmetic number, because the mean of its divisors is an integer number (27944584).

Almost surely, 2^55889167 is an apocalyptic number.

55889167 is a deficient number, since it is larger than the sum of its proper divisors (1).

55889167 is an equidigital number, since it uses as much as digits as its factorization.

55889167 is an evil number, because the sum of its binary digits is even.

The product of its digits is 604800, while the sum is 49.

The square root of 55889167 is about 7475.9057645211. The cubic root of 55889167 is about 382.3336699748. Note that the first 3 decimals are identical.

The spelling of 55889167 in words is "fifty-five million, eight hundred eighty-nine thousand, one hundred sixty-seven".