540056686 has 8 divisors (see below), whose sum is σ = 872399304. Its totient is φ = 249256920.

The previous prime is 540056641. The next prime is 540056711. The reversal of 540056686 is 686650045.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×540056686² = 583322448186605192, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10385680 + ... + 10385731.

It is an arithmetic number, because the mean of its divisors is an integer number (109049913).

Almost surely, 2^540056686 is an apocalyptic number.

540056686 is a deficient number, since it is larger than the sum of its proper divisors (332342618).

540056686 is a wasteful number, since it uses less digits than its factorization.

540056686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20771426.

The product of its (nonzero) digits is 172800, while the sum is 40.

The square root of 540056686 is about 23239.1197337593. The cubic root of 540056686 is about 814.3537783291.

The spelling of 540056686 in words is "five hundred forty million, fifty-six thousand, six hundred eighty-six".