540556099 has 8 divisors (see below), whose sum is σ = 571392000. Its totient is φ = 509958792.

The previous prime is 540556091. The next prime is 540556111. The reversal of 540556099 is 990655045.

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

It is a cyclic number.

It is not a de Polignac number, because 540556099 - 2³ = 540556091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540556091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54979 + ... + 64060.

It is an arithmetic number, because the mean of its divisors is an integer number (71424000).

Almost surely, 2^540556099 is an apocalyptic number.

540556099 is a deficient number, since it is larger than the sum of its proper divisors (30835901).

540556099 is a wasteful number, since it uses less digits than its factorization.

540556099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119297.

The product of its (nonzero) digits is 243000, while the sum is 43.

The square root of 540556099 is about 23249.8623436785. The cubic root of 540556099 is about 814.6047233222.

It can be divided in two parts, 5405 and 56099, that added together give a square (61504 = 248²).

The spelling of 540556099 in words is "five hundred forty million, five hundred fifty-six thousand, ninety-nine".