54412221 has 8 divisors (see below), whose sum is σ = 72603360. Its totient is φ = 36247952.

The previous prime is 54412217. The next prime is 54412231. The reversal of 54412221 is 12221445.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54412221 - 2² = 54412217 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54412231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1386 + ... + 10523.

It is an arithmetic number, because the mean of its divisors is an integer number (9075420).

Almost surely, 2^54412221 is an apocalyptic number.

It is an amenable number.

54412221 is a deficient number, since it is larger than the sum of its proper divisors (18191139).

54412221 is a wasteful number, since it uses less digits than its factorization.

54412221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13435.

The product of its digits is 640, while the sum is 21.

The square root of 54412221 is about 7376.4639902869. The cubic root of 54412221 is about 378.9356666840.

Adding to 54412221 its reverse (12221445), we get a palindrome (66633666).

The spelling of 54412221 in words is "fifty-four million, four hundred twelve thousand, two hundred twenty-one".