54310221 has 12 divisors (see below), whose sum is σ = 89655072. Its totient is φ = 31034376.

The previous prime is 54310163. The next prime is 54310259. The reversal of 54310221 is 12201345.

54310221 is a `hidden beast` number, since 543 + 102 + 21 = 666.

It is not a de Polignac number, because 54310221 - 2⁷ = 54310093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54310194 and 54310203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54310261) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 430971 + ... + 431096.

It is an arithmetic number, because the mean of its divisors is an integer number (7471256).

Almost surely, 2^54310221 is an apocalyptic number.

It is an amenable number.

54310221 is a deficient number, since it is larger than the sum of its proper divisors (35344851).

54310221 is a wasteful number, since it uses less digits than its factorization.

54310221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862080 (or 862077 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 54310221 is about 7369.5468653100. The cubic root of 54310221 is about 378.6987369760.

Adding to 54310221 its reverse (12201345), we get a palindrome (66511566).

The spelling of 54310221 in words is "fifty-four million, three hundred ten thousand, two hundred twenty-one".