55332228 has 48 divisors (see below), whose sum is σ = 150993920. Its totient is φ = 15440544.

The previous prime is 55332157. The next prime is 55332239. The reversal of 55332228 is 82223355.

It is a junction number, because it is equal to n+sod(n) for n = 55332195 and 55332204.

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 15 ways as a sum of consecutive naturals, for example, 4048 + ... + 11271.

Almost surely, 2^55332228 is an apocalyptic number.

It is an amenable number.

55332228 is an abundant number, since it is smaller than the sum of its proper divisors (95661692).

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

55332228 is a wasteful number, since it uses less digits than its factorization.

55332228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15376 (or 15374 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

The square root of 55332228 is about 7438.5635710129. The cubic root of 55332228 is about 381.0594350689.

The spelling of 55332228 in words is "fifty-five million, three hundred thirty-two thousand, two hundred twenty-eight".