54659543 has 4 divisors (see below), whose sum is σ = 55822560. Its totient is φ = 53496528.

The previous prime is 54659513. The next prime is 54659551. The reversal of 54659543 is 34595645.

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

It is not a de Polignac number, because 54659543 - 2²⁰ = 53610967 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54659543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54659513) 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, 581438 + ... + 581531.

It is an arithmetic number, because the mean of its divisors is an integer number (13955640).

Almost surely, 2^54659543 is an apocalyptic number.

54659543 is a deficient number, since it is larger than the sum of its proper divisors (1163017).

54659543 is a wasteful number, since it uses less digits than its factorization.

54659543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1163016.

The product of its digits is 324000, while the sum is 41.

The square root of 54659543 is about 7393.2092490339. The cubic root of 54659543 is about 379.5089293791.

The spelling of 54659543 in words is "fifty-four million, six hundred fifty-nine thousand, five hundred forty-three".