55222984 has 16 divisors (see below), whose sum is σ = 104144220. Its totient is φ = 27451200.

The previous prime is 55222969. The next prime is 55223009. The reversal of 55222984 is 48922255.

It can be written as a sum of positive squares in 2 ways, for example, as 55086084 + 136900 = 7422^2 + 370^2 .

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 3 ways as a sum of consecutive naturals, for example, 18567 + ... + 21334.

Almost surely, 2^55222984 is an apocalyptic number.

It is an amenable number.

55222984 is a deficient number, since it is larger than the sum of its proper divisors (48921236).

55222984 is a wasteful number, since it uses less digits than its factorization.

55222984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40080 (or 40076 counting only the distinct ones).

The product of its digits is 57600, while the sum is 37.

The square root of 55222984 is about 7431.2168586309. The cubic root of 55222984 is about 380.8084910013.

The spelling of 55222984 in words is "fifty-five million, two hundred twenty-two thousand, nine hundred eighty-four".