54442143 has 24 divisors (see below), whose sum is σ = 95161248. Its totient is φ = 29279232.

The previous prime is 54442117. The next prime is 54442147. The reversal of 54442143 is 34124445.

It is a happy number.

54442143 is a `hidden beast` number, since 5 + 444 + 214 + 3 = 666.

It is not a de Polignac number, because 54442143 - 2⁶ = 54442079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54442147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24346 + ... + 26487.

It is an arithmetic number, because the mean of its divisors is an integer number (3965052).

Almost surely, 2^54442143 is an apocalyptic number.

54442143 is a deficient number, since it is larger than the sum of its proper divisors (40719105).

54442143 is a wasteful number, since it uses less digits than its factorization.

54442143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50863 (or 50860 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 54442143 is about 7378.4919190848. The cubic root of 54442143 is about 379.0051145338.

Adding to 54442143 its reverse (34124445), we get a palindrome (88566588).

The spelling of 54442143 in words is "fifty-four million, four hundred forty-two thousand, one hundred forty-three".