53214421 has 8 divisors (see below), whose sum is σ = 60324320. Its totient is φ = 46535472.

The previous prime is 53214361. The next prime is 53214431. The reversal of 53214421 is 12441235.

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

It is a cyclic number.

It is not a de Polignac number, because 53214421 - 2¹¹ = 53212373 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53214392 and 53214401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53214431) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 107475 + ... + 107968.

It is an arithmetic number, because the mean of its divisors is an integer number (7540540).

Almost surely, 2^53214421 is an apocalyptic number.

It is an amenable number.

53214421 is a deficient number, since it is larger than the sum of its proper divisors (7109899).

53214421 is a wasteful number, since it uses less digits than its factorization.

53214421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215475.

The product of its digits is 960, while the sum is 22.

The square root of 53214421 is about 7294.8215194068. The cubic root of 53214421 is about 376.1344514074.

Adding to 53214421 its reverse (12441235), we get a palindrome (65655656).

It can be divided in two parts, 53214 and 421, that added together give a palindrome (53635).

The spelling of 53214421 in words is "fifty-three million, two hundred fourteen thousand, four hundred twenty-one".