540313555 has 4 divisors (see below), whose sum is σ = 648376272. Its totient is φ = 432250840.

The previous prime is 540313549. The next prime is 540313559. The reversal of 540313555 is 555313045.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 540313555 - 2³ = 540313547 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540313559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54031351 + ... + 54031360.

It is an arithmetic number, because the mean of its divisors is an integer number (162094068).

Almost surely, 2^540313555 is an apocalyptic number.

540313555 is a deficient number, since it is larger than the sum of its proper divisors (108062717).

540313555 is a wasteful number, since it uses less digits than its factorization.

540313555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108062716.

The product of its (nonzero) digits is 22500, while the sum is 31.

The square root of 540313555 is about 23244.6457275649. The cubic root of 540313555 is about 814.4828691512.

The spelling of 540313555 in words is "five hundred forty million, three hundred thirteen thousand, five hundred fifty-five".