55080228 has 24 divisors (see below), whose sum is σ = 146880832. Its totient is φ = 15737184.

The previous prime is 55080209. The next prime is 55080271. The reversal of 55080228 is 82208055.

It is a junction number, because it is equal to n+sod(n) for n = 55080195 and 55080204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 327775 + ... + 327942.

Almost surely, 2^55080228 is an apocalyptic number.

It is an amenable number.

55080228 is an abundant number, since it is smaller than the sum of its proper divisors (91800604).

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

55080228 is a wasteful number, since it uses less digits than its factorization.

55080228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655731 (or 655729 counting only the distinct ones).

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

The square root of 55080228 is about 7421.6054866855. The cubic root of 55080228 is about 380.4800673123.

The spelling of 55080228 in words is "fifty-five million, eighty thousand, two hundred twenty-eight".