54636543 has 24 divisors (see below), whose sum is σ = 85682688. Its totient is φ = 33348672.

The previous prime is 54636529. The next prime is 54636553. The reversal of 54636543 is 34563645.

54636543 is a `hidden beast` number, since 54 + 63 + 6 + 543 = 666.

It is not a de Polignac number, because 54636543 - 2⁹ = 54636031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54636498 and 54636507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54636553) 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, 13021 + ... + 16697.

It is an arithmetic number, because the mean of its divisors is an integer number (3570112).

Almost surely, 2^54636543 is an apocalyptic number.

54636543 is a deficient number, since it is larger than the sum of its proper divisors (31046145).

54636543 is a wasteful number, since it uses less digits than its factorization.

54636543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3823 (or 3820 counting only the distinct ones).

The product of its digits is 129600, while the sum is 36.

The square root of 54636543 is about 7391.6536038968. The cubic root of 54636543 is about 379.4556911613.

The spelling of 54636543 in words is "fifty-four million, six hundred thirty-six thousand, five hundred forty-three".