55274226 has 32 divisors (see below), whose sum is σ = 129759360. Its totient is φ = 15365376.

The previous prime is 55274207. The next prime is 55274243. The reversal of 55274226 is 62247255.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16231 + ... + 19338.

It is an arithmetic number, because the mean of its divisors is an integer number (4054980).

Almost surely, 2^55274226 is an apocalyptic number.

55274226 is an abundant number, since it is smaller than the sum of its proper divisors (74485134).

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

55274226 is a wasteful number, since it uses less digits than its factorization.

55274226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35618.

The product of its digits is 33600, while the sum is 33.

The square root of 55274226 is about 7434.6638121707. The cubic root of 55274226 is about 380.9262400183.

The spelling of 55274226 in words is "fifty-five million, two hundred seventy-four thousand, two hundred twenty-six".