55224164 has 12 divisors (see below), whose sum is σ = 96695424. Its totient is φ = 27596904.

The previous prime is 55224161. The next prime is 55224167. The reversal of 55224164 is 46142255.

55224164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (55224161) and next prime (55224167).

It is not an unprimeable number, because it can be changed into a prime (55224161) 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, 9809 + ... + 14375.

It is an arithmetic number, because the mean of its divisors is an integer number (8057952).

Almost surely, 2^55224164 is an apocalyptic number.

It is an amenable number.

55224164 is a deficient number, since it is larger than the sum of its proper divisors (41471260).

55224164 is a wasteful number, since it uses less digits than its factorization.

55224164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7594 (or 7592 counting only the distinct ones).

The product of its digits is 9600, while the sum is 29.

The square root of 55224164 is about 7431.2962530100. The cubic root of 55224164 is about 380.8112033430.

The spelling of 55224164 in words is "fifty-five million, two hundred twenty-four thousand, one hundred sixty-four".