54050221 has 4 divisors (see below), whose sum is σ = 54122944. Its totient is φ = 53977500.

The previous prime is 54050219. The next prime is 54050237. The reversal of 54050221 is 12205045.

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 54050221 - 2¹ = 54050219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54050261) 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, 35235 + ... + 36736.

It is an arithmetic number, because the mean of its divisors is an integer number (13530736).

Almost surely, 2^54050221 is an apocalyptic number.

It is an amenable number.

54050221 is a deficient number, since it is larger than the sum of its proper divisors (72723).

54050221 is an equidigital number, since it uses as much as digits as its factorization.

54050221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72722.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 54050221 is about 7351.8855404583. The cubic root of 54050221 is about 378.0934536531.

Adding to 54050221 its reverse (12205045), we get a palindrome (66255266).

The spelling of 54050221 in words is "fifty-four million, fifty thousand, two hundred twenty-one".