54543685 has 16 divisors (see below), whose sum is σ = 75312000. Its totient is φ = 37146816.

The previous prime is 54543683. The next prime is 54543689. The reversal of 54543685 is 58634545.

It is not a de Polignac number, because 54543685 - 2¹ = 54543683 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54543683) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15 + ... + 10444.

It is an arithmetic number, because the mean of its divisors is an integer number (4707000).

Almost surely, 2^54543685 is an apocalyptic number.

It is an amenable number.

54543685 is a deficient number, since it is larger than the sum of its proper divisors (20768315).

54543685 is a wasteful number, since it uses less digits than its factorization.

54543685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10620.

The product of its digits is 288000, while the sum is 40.

The square root of 54543685 is about 7385.3696589947. The cubic root of 54543685 is about 379.2406002160.

The spelling of 54543685 in words is "fifty-four million, five hundred forty-three thousand, six hundred eighty-five".