540053321 has 4 divisors (see below), whose sum is σ = 568477200. Its totient is φ = 511629444.

The previous prime is 540053287. The next prime is 540053323. The reversal of 540053321 is 123350045.

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.

It is a cyclic number.

It is not a de Polignac number, because 540053321 - 2²² = 535859017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540053323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14211911 + ... + 14211948.

It is an arithmetic number, because the mean of its divisors is an integer number (142119300).

Almost surely, 2^540053321 is an apocalyptic number.

It is an amenable number.

540053321 is a deficient number, since it is larger than the sum of its proper divisors (28423879).

540053321 is a wasteful number, since it uses less digits than its factorization.

540053321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28423878.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 540053321 is about 23239.0473341744. The cubic root of 540053321 is about 814.3520869596.

The spelling of 540053321 in words is "five hundred forty million, fifty-three thousand, three hundred twenty-one".