55224433 has 4 divisors (see below), whose sum is σ = 60244848. Its totient is φ = 50204020.

The previous prime is 55224401. The next prime is 55224451. The reversal of 55224433 is 33442255.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55224433 - 2⁵ = 55224401 is a prime.

It is a Duffinian number.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (55224473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2510191 + ... + 2510212.

It is an arithmetic number, because the mean of its divisors is an integer number (15061212).

Almost surely, 2^55224433 is an apocalyptic number.

It is an amenable number.

55224433 is a deficient number, since it is larger than the sum of its proper divisors (5020415).

55224433 is a wasteful number, since it uses less digits than its factorization.

55224433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5020414.

The product of its digits is 14400, while the sum is 28.

The square root of 55224433 is about 7431.3143521183. The cubic root of 55224433 is about 380.8118216596.

Adding to 55224433 its reverse (33442255), we get a palindrome (88666688).

The spelling of 55224433 in words is "fifty-five million, two hundred twenty-four thousand, four hundred thirty-three".