54223225 has 24 divisors (see below), whose sum is σ = 77137920. Its totient is φ = 37038720.

The previous prime is 54223223. The next prime is 54223229. The reversal of 54223225 is 52232245.

It is a happy number.

It is not a de Polignac number, because 54223225 - 2¹ = 54223223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 54223225.

It is not an unprimeable number, because it can be changed into a prime (54223223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66621 + ... + 67429.

It is an arithmetic number, because the mean of its divisors is an integer number (3214080).

Almost surely, 2^54223225 is an apocalyptic number.

It is an amenable number.

54223225 is a deficient number, since it is larger than the sum of its proper divisors (22914695).

54223225 is a wasteful number, since it uses less digits than its factorization.

54223225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1209 (or 1204 counting only the distinct ones).

The product of its digits is 4800, while the sum is 25.

The square root of 54223225 is about 7363.6421015690. The cubic root of 54223225 is about 378.4964246466.

The spelling of 54223225 in words is "fifty-four million, two hundred twenty-three thousand, two hundred twenty-five".