55050224 has 40 divisors (see below), whose sum is σ = 111957120. Its totient is φ = 26172608.

The previous prime is 55050217. The next prime is 55050253. The reversal of 55050224 is 42205055.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 55050224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83207 + ... + 83865.

It is an arithmetic number, because the mean of its divisors is an integer number (2798928).

Almost surely, 2^55050224 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 55050224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55978560).

55050224 is an abundant number, since it is smaller than the sum of its proper divisors (56906896).

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

55050224 is a wasteful number, since it uses less digits than its factorization.

55050224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917 (or 911 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 55050224 is about 7419.5838158215. The cubic root of 55050224 is about 380.4109681222.

Adding to 55050224 its reverse (42205055), we get a palindrome (97255279).

The spelling of 55050224 in words is "fifty-five million, fifty thousand, two hundred twenty-four".