540321055554 has 16 divisors (see below), whose sum is σ = 1235019555648. Its totient is φ = 154377444432.

The previous prime is 540321055553. The next prime is 540321055559. The reversal of 540321055554 is 455550123045.

It is not an unprimeable number, because it can be changed into a prime (540321055553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6432393477 + ... + 6432393560.

It is an arithmetic number, because the mean of its divisors is an integer number (77188722228).

Almost surely, 2^540321055554 is an apocalyptic number.

540321055554 is an abundant number, since it is smaller than the sum of its proper divisors (694698500094).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

540321055554 is a wasteful number, since it uses less digits than its factorization.

540321055554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12864787049.

The product of its (nonzero) digits is 300000, while the sum is 39.

Adding to 540321055554 its reverse (455550123045), we get a palindrome (995871178599).

The spelling of 540321055554 in words is "five hundred forty billion, three hundred twenty-one million, fifty-five thousand, five hundred fifty-four".