540497855 has 8 divisors (see below), whose sum is σ = 656808000. Its totient is φ = 426924576.

The previous prime is 540497819. The next prime is 540497863. The reversal of 540497855 is 558794045.

It is a happy number.

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 540497855 - 2²⁰ = 539449279 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 683780 + ... + 684569.

It is an arithmetic number, because the mean of its divisors is an integer number (82101000).

Almost surely, 2^540497855 is an apocalyptic number.

540497855 is a deficient number, since it is larger than the sum of its proper divisors (116310145).

540497855 is a wasteful number, since it uses less digits than its factorization.

540497855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1368433.

The product of its (nonzero) digits is 1008000, while the sum is 47.

The square root of 540497855 is about 23248.6097433804. The cubic root of 540497855 is about 814.5754648470.

The spelling of 540497855 in words is "five hundred forty million, four hundred ninety-seven thousand, eight hundred fifty-five".