54321242 has 4 divisors (see below), whose sum is σ = 81481866. Its totient is φ = 27160620.

The previous prime is 54321227. The next prime is 54321251. The reversal of 54321242 is 24212345.

It is a happy number.

54321242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 53597041 + 724201 = 7321^2 + 851^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13580309 + ... + 13580312.

Almost surely, 2^54321242 is an apocalyptic number.

54321242 is a deficient number, since it is larger than the sum of its proper divisors (27160624).

54321242 is a wasteful number, since it uses less digits than its factorization.

54321242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27160623.

The product of its digits is 1920, while the sum is 23.

The square root of 54321242 is about 7370.2945667049. The cubic root of 54321242 is about 378.7243512859.

Adding to 54321242 its reverse (24212345), we get a palindrome (78533587).

The spelling of 54321242 in words is "fifty-four million, three hundred twenty-one thousand, two hundred forty-two".