54511222 has 8 divisors (see below), whose sum is σ = 83761272. Its totient is φ = 26590800.

The previous prime is 54511207. The next prime is 54511243. The reversal of 54511222 is 22211545.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 54511193 and 54511202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332304 + ... + 332467.

It is an arithmetic number, because the mean of its divisors is an integer number (10470159).

Almost surely, 2^54511222 is an apocalyptic number.

54511222 is a deficient number, since it is larger than the sum of its proper divisors (29250050).

54511222 is a wasteful number, since it uses less digits than its factorization.

54511222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664814.

The product of its digits is 800, while the sum is 22.

The square root of 54511222 is about 7383.1715407405. The cubic root of 54511222 is about 379.1653471972.

Adding to 54511222 its reverse (22211545), we get a palindrome (76722767).

The spelling of 54511222 in words is "fifty-four million, five hundred eleven thousand, two hundred twenty-two".