54223143 has 12 divisors (see below), whose sum is σ = 78287400. Its totient is φ = 33367776.

The previous prime is 54223139. The next prime is 54223171. The reversal of 54223143 is 34132245.

It is not a de Polignac number, because 54223143 - 2² = 54223139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54223343) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52968 + ... + 53981.

It is an arithmetic number, because the mean of its divisors is an integer number (6523950).

Almost surely, 2^54223143 is an apocalyptic number.

54223143 is a deficient number, since it is larger than the sum of its proper divisors (24064257).

54223143 is a wasteful number, since it uses less digits than its factorization.

54223143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106978 (or 106965 counting only the distinct ones).

The product of its digits is 2880, while the sum is 24.

The square root of 54223143 is about 7363.6365336700. The cubic root of 54223143 is about 378.4962338506.

Adding to 54223143 its reverse (34132245), we get a palindrome (88355388).

The spelling of 54223143 in words is "fifty-four million, two hundred twenty-three thousand, one hundred forty-three".