540055049 has 4 divisors (see below), whose sum is σ = 540101760. Its totient is φ = 540008340.

The previous prime is 540055013. The next prime is 540055067. The reversal of 540055049 is 940550045.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 540055049 - 2²⁰ = 539006473 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (540055079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8192 + ... + 33870.

It is an arithmetic number, because the mean of its divisors is an integer number (135025440).

Almost surely, 2^540055049 is an apocalyptic number.

It is an amenable number.

540055049 is a deficient number, since it is larger than the sum of its proper divisors (46711).

540055049 is a wasteful number, since it uses less digits than its factorization.

540055049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46710.

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 540055049 is about 23239.0845129493. The cubic root of 540055049 is about 814.3529555151.

The spelling of 540055049 in words is "five hundred forty million, fifty-five thousand, forty-nine".