54343221 has 4 divisors (see below), whose sum is σ = 72457632. Its totient is φ = 36228812.

The previous prime is 54343213. The next prime is 54343229. The reversal of 54343221 is 12234345.

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 an interprime number because it is at equal distance from previous prime (54343213) and next prime (54343229).

It is a cyclic number.

It is not a de Polignac number, because 54343221 - 2³ = 54343213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54343191 and 54343200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54343229) 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, 9057201 + ... + 9057206.

It is an arithmetic number, because the mean of its divisors is an integer number (18114408).

Almost surely, 2^54343221 is an apocalyptic number.

It is an amenable number.

54343221 is a deficient number, since it is larger than the sum of its proper divisors (18114411).

54343221 is a wasteful number, since it uses less digits than its factorization.

54343221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18114410.

The product of its digits is 2880, while the sum is 24.

The square root of 54343221 is about 7371.7854689349. The cubic root of 54343221 is about 378.7754231429.

Adding to 54343221 its reverse (12234345), we get a palindrome (66577566).

The spelling of 54343221 in words is "fifty-four million, three hundred forty-three thousand, two hundred twenty-one".