54994543 has 4 divisors (see below), whose sum is σ = 56480920. Its totient is φ = 53508168.

The previous prime is 54994529. The next prime is 54994553. The reversal of 54994543 is 34549945.

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 54994543 - 2²¹ = 52897391 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 54994543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54994523) 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, 743133 + ... + 743206.

It is an arithmetic number, because the mean of its divisors is an integer number (14120230).

Almost surely, 2^54994543 is an apocalyptic number.

54994543 is a deficient number, since it is larger than the sum of its proper divisors (1486377).

54994543 is a wasteful number, since it uses less digits than its factorization.

54994543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1486376.

The product of its digits is 388800, while the sum is 43.

The square root of 54994543 is about 7415.8305671044. The cubic root of 54994543 is about 380.2826682592.

The spelling of 54994543 in words is "fifty-four million, nine hundred ninety-four thousand, five hundred forty-three".