53218227 has 8 divisors (see below), whose sum is σ = 73246720. Its totient is φ = 34334280.

The previous prime is 53218199. The next prime is 53218261. The reversal of 53218227 is 72281235.

53218227 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 53218227 - 2⁸ = 53217971 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53218194 and 53218203.

It is not an unprimeable number, because it can be changed into a prime (53218267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286027 + ... + 286212.

It is an arithmetic number, because the mean of its divisors is an integer number (9155840).

Almost surely, 2^53218227 is an apocalyptic number.

53218227 is a deficient number, since it is larger than the sum of its proper divisors (20028493).

53218227 is a wasteful number, since it uses less digits than its factorization.

53218227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572273.

The product of its digits is 6720, while the sum is 30.

The square root of 53218227 is about 7295.0823847301. The cubic root of 53218227 is about 376.1434184854.

The spelling of 53218227 in words is "fifty-three million, two hundred eighteen thousand, two hundred twenty-seven".