540411543 has 36 divisors (see below), whose sum is σ = 915283200. Its totient is φ = 306343296.

The previous prime is 540411533. The next prime is 540411569. The reversal of 540411543 is 345114045.

It is a happy number.

540411543 is a `hidden beast` number, since 540 + 4 + 115 + 4 + 3 = 666.

It is not a de Polignac number, because 540411543 - 2¹² = 540407447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540411523) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 51183 + ... + 60831.

Almost surely, 2^540411543 is an apocalyptic number.

540411543 is a deficient number, since it is larger than the sum of its proper divisors (374871657).

540411543 is a wasteful number, since it uses less digits than its factorization.

540411543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9796 (or 9786 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 540411543 is about 23246.7533862258. The cubic root of 540411543 is about 814.5321027382.

Adding to 540411543 its reverse (345114045), we get a palindrome (885525588).

The spelling of 540411543 in words is "five hundred forty million, four hundred eleven thousand, five hundred forty-three".