540020555 has 16 divisors (see below), whose sum is σ = 687152160. Its totient is φ = 406006272.

The previous prime is 540020539. The next prime is 540020557. The reversal of 540020555 is 555020045.

It is a cyclic number.

It is not a de Polignac number, because 540020555 - 2⁴ = 540020539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (540020557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58517 + ... + 67113.

It is an arithmetic number, because the mean of its divisors is an integer number (42947010).

Almost surely, 2^540020555 is an apocalyptic number.

540020555 is a deficient number, since it is larger than the sum of its proper divisors (147131605).

540020555 is a wasteful number, since it uses less digits than its factorization.

540020555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9358.

The product of its (nonzero) digits is 5000, while the sum is 26.

The square root of 540020555 is about 23238.3423462174. The cubic root of 540020555 is about 814.3356172278.

The spelling of 540020555 in words is "five hundred forty million, twenty thousand, five hundred fifty-five".