540522020553 has 4 divisors (see below), whose sum is σ = 720696027408. Its totient is φ = 360348013700.

The previous prime is 540522020537. The next prime is 540522020579. The reversal of 540522020553 is 355020225045.

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 540522020553 - 2⁴ = 540522020537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (540522020503) 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, 90087003423 + ... + 90087003428.

It is an arithmetic number, because the mean of its divisors is an integer number (180174006852).

Almost surely, 2^540522020553 is an apocalyptic number.

It is an amenable number.

540522020553 is a deficient number, since it is larger than the sum of its proper divisors (180174006855).

540522020553 is a wasteful number, since it uses less digits than its factorization.

540522020553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180174006854.

The product of its (nonzero) digits is 60000, while the sum is 33.

Adding to 540522020553 its reverse (355020225045), we get a palindrome (895542245598).

The spelling of 540522020553 in words is "five hundred forty billion, five hundred twenty-two million, twenty thousand, five hundred fifty-three".