55030224 has 60 divisors (see below), whose sum is σ = 151053824. Its totient is φ = 17260032.

The previous prime is 55030223. The next prime is 55030231. The reversal of 55030224 is 42203055.

55030224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 55030224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55030223) 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 11 ways as a sum of consecutive naturals, for example, 11889 + ... + 15855.

Almost surely, 2^55030224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55030224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75526912).

55030224 is an abundant number, since it is smaller than the sum of its proper divisors (96023600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55030224 is a wasteful number, since it uses less digits than its factorization.

55030224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4012 (or 3989 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 55030224 is about 7418.2359088937. The cubic root of 55030224 is about 380.3648941897.

Adding to 55030224 its reverse (42203055), we get a palindrome (97233279).

The spelling of 55030224 in words is "fifty-five million, thirty thousand, two hundred twenty-four".