53214121 has 4 divisors (see below), whose sum is σ = 53540752. Its totient is φ = 52887492.

The previous prime is 53214113. The next prime is 53214137. The reversal of 53214121 is 12141235.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53214121 - 2³ = 53214113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53214151) 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 3 ways as a sum of consecutive naturals, for example, 163071 + ... + 163396.

It is an arithmetic number, because the mean of its divisors is an integer number (13385188).

Almost surely, 2^53214121 is an apocalyptic number.

It is an amenable number.

53214121 is a deficient number, since it is larger than the sum of its proper divisors (326631).

53214121 is a wasteful number, since it uses less digits than its factorization.

53214121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326630.

The product of its digits is 240, while the sum is 19.

The square root of 53214121 is about 7294.8009568459. The cubic root of 53214121 is about 376.1337445780.

Adding to 53214121 its reverse (12141235), we get a palindrome (65355356).

It can be divided in two parts, 53214 and 121, that added together give a palindrome (53335).

The spelling of 53214121 in words is "fifty-three million, two hundred fourteen thousand, one hundred twenty-one".