54321442 has 16 divisors (see below), whose sum is σ = 93251520. Its totient is φ = 23248368.

The previous prime is 54321419. The next prime is 54321457. The reversal of 54321442 is 24412345.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9768 + ... + 14284.

It is an arithmetic number, because the mean of its divisors is an integer number (5828220).

Almost surely, 2^54321442 is an apocalyptic number.

54321442 is a deficient number, since it is larger than the sum of its proper divisors (38930078).

54321442 is a wasteful number, since it uses less digits than its factorization.

54321442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5385.

The product of its digits is 3840, while the sum is 25.

The square root of 54321442 is about 7370.3081346712. The cubic root of 54321442 is about 378.7248160812.

Adding to 54321442 its reverse (24412345), we get a palindrome (78733787).

The spelling of 54321442 in words is "fifty-four million, three hundred twenty-one thousand, four hundred forty-two".