55245223 has 8 divisors (see below), whose sum is σ = 63812880. Its totient is φ = 47268480.

The previous prime is 55245191. The next prime is 55245227. The reversal of 55245223 is 32254255.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55245223 - 2⁵ = 55245191 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55245191 and 55245200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55245227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147528 + ... + 147901.

It is an arithmetic number, because the mean of its divisors is an integer number (7976610).

Almost surely, 2^55245223 is an apocalyptic number.

55245223 is a deficient number, since it is larger than the sum of its proper divisors (8567657).

55245223 is a wasteful number, since it uses less digits than its factorization.

55245223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295457.

The product of its digits is 12000, while the sum is 28.

The square root of 55245223 is about 7432.7130309195. The cubic root of 55245223 is about 380.8596029529.

Adding to 55245223 its reverse (32254255), we get a palindrome (87499478).

The spelling of 55245223 in words is "fifty-five million, two hundred forty-five thousand, two hundred twenty-three".