540535566 has 8 divisors (see below), whose sum is σ = 1081071144. Its totient is φ = 180178520.

The previous prime is 540535543. The next prime is 540535571. The reversal of 540535566 is 665535045.

540535566 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

540535566 is an admirable number.

It is a super-2 number, since 2×540535566² = 584357396221880712, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45044625 + ... + 45044636.

It is an arithmetic number, because the mean of its divisors is an integer number (135133893).

Almost surely, 2^540535566 is an apocalyptic number.

540535566 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

540535566 is a wasteful number, since it uses less digits than its factorization.

540535566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90089266.

The product of its (nonzero) digits is 270000, while the sum is 39.

The square root of 540535566 is about 23249.4207669783. The cubic root of 540535566 is about 814.5944089499.

The spelling of 540535566 in words is "five hundred forty million, five hundred thirty-five thousand, five hundred sixty-six".