540055515 has 16 divisors (see below), whose sum is σ = 887443488. Its totient is φ = 280244736.

The previous prime is 540055501. The next prime is 540055517. The reversal of 540055515 is 515550045.

It is not a de Polignac number, because 540055515 - 2⁹ = 540055003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (540055517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 485982 + ... + 487091.

It is an arithmetic number, because the mean of its divisors is an integer number (55465218).

Almost surely, 2^540055515 is an apocalyptic number.

540055515 is a deficient number, since it is larger than the sum of its proper divisors (347387973).

540055515 is a wasteful number, since it uses less digits than its factorization.

540055515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973118.

The product of its (nonzero) digits is 12500, while the sum is 30.

The square root of 540055515 is about 23239.0945391597. The cubic root of 540055515 is about 814.3531897433.

The spelling of 540055515 in words is "five hundred forty million, fifty-five thousand, five hundred fifteen".