54225421 has 8 divisors (see below), whose sum is σ = 56966400. Its totient is φ = 51516432.

The previous prime is 54225407. The next prime is 54225443. The reversal of 54225421 is 12452245.

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 54225421 - 2¹¹ = 54223373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54225491) 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, 4485 + ... + 11338.

It is an arithmetic number, because the mean of its divisors is an integer number (7120800).

Almost surely, 2^54225421 is an apocalyptic number.

It is an amenable number.

54225421 is a deficient number, since it is larger than the sum of its proper divisors (2740979).

54225421 is a wasteful number, since it uses less digits than its factorization.

54225421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15995.

The product of its digits is 3200, while the sum is 25.

The square root of 54225421 is about 7363.7912110543. The cubic root of 54225421 is about 378.5015341849.

Adding to 54225421 its reverse (12452245), we get a palindrome (66677666).

The spelling of 54225421 in words is "fifty-four million, two hundred twenty-five thousand, four hundred twenty-one".