540533511 has 48 divisors (see below), whose sum is σ = 951035904. Its totient is φ = 289124352.

The previous prime is 540533473. The next prime is 540533519. The reversal of 540533511 is 115335045.

It is not a de Polignac number, because 540533511 - 2⁶ = 540533447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540533519) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 64135 + ... + 72071.

It is an arithmetic number, because the mean of its divisors is an integer number (19813248).

Almost surely, 2^540533511 is an apocalyptic number.

540533511 is a deficient number, since it is larger than the sum of its proper divisors (410502393).

540533511 is a wasteful number, since it uses less digits than its factorization.

540533511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8020 (or 8017 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 540533511 is about 23249.3765722868. The cubic root of 540533511 is about 814.5933766443.

Adding to 540533511 its reverse (115335045), we get a palindrome (655868556).

The spelling of 540533511 in words is "five hundred forty million, five hundred thirty-three thousand, five hundred eleven".