540520055 has 4 divisors (see below), whose sum is σ = 648624072. Its totient is φ = 432416040.

The previous prime is 540520031. The next prime is 540520081. The reversal of 540520055 is 550025045.

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

It is not a de Polignac number, because 540520055 - 2¹⁴ = 540503671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54052001 + ... + 54052010.

It is an arithmetic number, because the mean of its divisors is an integer number (162156018).

Almost surely, 2^540520055 is an apocalyptic number.

540520055 is a deficient number, since it is larger than the sum of its proper divisors (108104017).

540520055 is a wasteful number, since it uses less digits than its factorization.

540520055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108104016.

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

The square root of 540520055 is about 23249.0871863822. The cubic root of 540520055 is about 814.5866171131.

The spelling of 540520055 in words is "five hundred forty million, five hundred twenty thousand, fifty-five".