55185167 has 4 divisors (see below), whose sum is σ = 56676696. Its totient is φ = 53693640.

The previous prime is 55185161. The next prime is 55185181. The reversal of 55185167 is 76158155.

It is a happy number.

55185167 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55185167 - 2⁶ = 55185103 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55185167.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55185161) 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 in 3 ways as a sum of consecutive naturals, for example, 745709 + ... + 745782.

It is an arithmetic number, because the mean of its divisors is an integer number (14169174).

Almost surely, 2^55185167 is an apocalyptic number.

55185167 is a deficient number, since it is larger than the sum of its proper divisors (1491529).

55185167 is a wasteful number, since it uses less digits than its factorization.

55185167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1491528.

The product of its digits is 42000, while the sum is 38.

The square root of 55185167 is about 7428.6719539902. The cubic root of 55185167 is about 380.7215445754.

The spelling of 55185167 in words is "fifty-five million, one hundred eighty-five thousand, one hundred sixty-seven".