53421219 has 12 divisors (see below), whose sum is σ = 79825200. Its totient is φ = 34385904.

The previous prime is 53421209. The next prime is 53421239. The reversal of 53421219 is 91212435.

53421219 is a `hidden beast` number, since 534 + 2 + 121 + 9 = 666.

53421219 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53421219 - 2⁸ = 53420963 is a prime.

It is a super-2 number, since 2×53421219² = 5707653278891922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53421192 and 53421201.

It is not an unprimeable number, because it can be changed into a prime (53421209) 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 11 ways as a sum of consecutive naturals, for example, 102079 + ... + 102600.

It is an arithmetic number, because the mean of its divisors is an integer number (6652100).

Almost surely, 2^53421219 is an apocalyptic number.

53421219 is a deficient number, since it is larger than the sum of its proper divisors (26403981).

53421219 is a wasteful number, since it uses less digits than its factorization.

53421219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204714 (or 204711 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 53421219 is about 7308.9820768695. The cubic root of 53421219 is about 376.6210570335.

It can be divided in two parts, 5342 and 1219, that added together give a 8-th power (6561 = 3⁸).

The spelling of 53421219 in words is "fifty-three million, four hundred twenty-one thousand, two hundred nineteen".