55228841 has 4 divisors (see below), whose sum is σ = 56006784. Its totient is φ = 54450900.

The previous prime is 55228829. The next prime is 55228843. The reversal of 55228841 is 14882255.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-55228841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55228843) 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, 388865 + ... + 389006.

It is an arithmetic number, because the mean of its divisors is an integer number (14001696).

Almost surely, 2^55228841 is an apocalyptic number.

It is an amenable number.

55228841 is a deficient number, since it is larger than the sum of its proper divisors (777943).

55228841 is an equidigital number, since it uses as much as digits as its factorization.

55228841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777942.

The product of its digits is 25600, while the sum is 35.

The square root of 55228841 is about 7431.6109289978. The cubic root of 55228841 is about 380.8219534905.

The spelling of 55228841 in words is "fifty-five million, two hundred twenty-eight thousand, eight hundred forty-one".