540424312553 has 4 divisors (see below), whose sum is σ = 540431556420. Its totient is φ = 540417068688.

The previous prime is 540424312529. The next prime is 540424312573. The reversal of 540424312553 is 355213424045.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 107391877849 + 433032434704 = 327707^2 + 658052^2 .

It is a cyclic number.

It is not a de Polignac number, because 540424312553 - 2²⁴ = 540407535337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540424312523) 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, 3508850 + ... + 3659627.

It is an arithmetic number, because the mean of its divisors is an integer number (135107889105).

Almost surely, 2^540424312553 is an apocalyptic number.

It is an amenable number.

540424312553 is a deficient number, since it is larger than the sum of its proper divisors (7243867).

540424312553 is an equidigital number, since it uses as much as digits as its factorization.

540424312553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7243866.

The product of its (nonzero) digits is 288000, while the sum is 38.

Adding to 540424312553 its reverse (355213424045), we get a palindrome (895637736598).

The spelling of 540424312553 in words is "five hundred forty billion, four hundred twenty-four million, three hundred twelve thousand, five hundred fifty-three".