54216143 has 4 divisors (see below), whose sum is σ = 54417960. Its totient is φ = 54014328.

The previous prime is 54216119. The next prime is 54216187. The reversal of 54216143 is 34161245.

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

It is a cyclic number.

It is not a de Polignac number, because 54216143 - 2¹² = 54212047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54212143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100505 + ... + 101042.

It is an arithmetic number, because the mean of its divisors is an integer number (13604490).

Almost surely, 2^54216143 is an apocalyptic number.

54216143 is a deficient number, since it is larger than the sum of its proper divisors (201817).

54216143 is a wasteful number, since it uses less digits than its factorization.

54216143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201816.

The product of its digits is 2880, while the sum is 26.

The square root of 54216143 is about 7363.1612096979. The cubic root of 54216143 is about 378.4799456785.

Adding to 54216143 its reverse (34161245), we get a palindrome (88377388).

The spelling of 54216143 in words is "fifty-four million, two hundred sixteen thousand, one hundred forty-three".