55008228 has 48 divisors (see below), whose sum is σ = 140555520. Its totient is φ = 16605600.

The previous prime is 55008227. The next prime is 55008241. The reversal of 55008228 is 82280055.

It is a junction number, because it is equal to n+sod(n) for n = 55008195 and 55008204.

It is not an unprimeable number, because it can be changed into a prime (55008221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43063 + ... + 44321.

It is an arithmetic number, because the mean of its divisors is an integer number (2928240).

Almost surely, 2^55008228 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 55008228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70277760).

55008228 is an abundant number, since it is smaller than the sum of its proper divisors (85547292).

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

55008228 is a wasteful number, since it uses less digits than its factorization.

55008228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1608 (or 1606 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 30.

The square root of 55008228 is about 7416.7531979971. The cubic root of 55008228 is about 380.3142091868.

The spelling of 55008228 in words is "fifty-five million, eight thousand, two hundred twenty-eight".