54143523 has 24 divisors (see below), whose sum is σ = 89582688. Its totient is φ = 30868992.

The previous prime is 54143503. The next prime is 54143549. The reversal of 54143523 is 32534145.

It is not a de Polignac number, because 54143523 - 2²⁰ = 53094947 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54143503) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41761 + ... + 43037.

It is an arithmetic number, because the mean of its divisors is an integer number (3732612).

Almost surely, 2^54143523 is an apocalyptic number.

54143523 is a deficient number, since it is larger than the sum of its proper divisors (35439165).

54143523 is a wasteful number, since it uses less digits than its factorization.

54143523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1963 (or 1960 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 54143523 is about 7358.2282514203. The cubic root of 54143523 is about 378.3108847494.

Adding to 54143523 its reverse (32534145), we get a palindrome (86677668).

The spelling of 54143523 in words is "fifty-four million, one hundred forty-three thousand, five hundred twenty-three".