53054221 has 4 divisors (see below), whose sum is σ = 57877344. Its totient is φ = 48231100.

The previous prime is 53054207. The next prime is 53054227. The reversal of 53054221 is 12245035.

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 53054221 - 2¹¹ = 53052173 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53054192 and 53054201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53054227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2411545 + ... + 2411566.

It is an arithmetic number, because the mean of its divisors is an integer number (14469336).

Almost surely, 2^53054221 is an apocalyptic number.

It is an amenable number.

53054221 is a deficient number, since it is larger than the sum of its proper divisors (4823123).

53054221 is a wasteful number, since it uses less digits than its factorization.

53054221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4823122.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 53054221 is about 7283.8328509103. The cubic root of 53054221 is about 375.7566258343.

Adding to 53054221 its reverse (12245035), we get a palindrome (65299256).

The spelling of 53054221 in words is "fifty-three million, fifty-four thousand, two hundred twenty-one".