540557563 has 12 divisors (see below), whose sum is σ = 677182800. Its totient is φ = 427693392.

The previous prime is 540557557. The next prime is 540557599. The reversal of 540557563 is 365755045.

It is not a de Polignac number, because 540557563 - 2²⁹ = 3686651 is a prime.

It is not an unprimeable number, because it can be changed into a prime (540557363) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 423663 + ... + 424936.

It is an arithmetic number, because the mean of its divisors is an integer number (56431900).

Almost surely, 2^540557563 is an apocalyptic number.

540557563 is a deficient number, since it is larger than the sum of its proper divisors (136625237).

540557563 is a wasteful number, since it uses less digits than its factorization.

540557563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848626 (or 848619 counting only the distinct ones).

The product of its (nonzero) digits is 315000, while the sum is 40.

The square root of 540557563 is about 23249.8938277146. The cubic root of 540557563 is about 814.6054587255.

The spelling of 540557563 in words is "five hundred forty million, five hundred fifty-seven thousand, five hundred sixty-three".