520424240553 has 96 divisors (see below), whose sum is σ = 885521894400. Its totient is φ = 288427392000.

The previous prime is 520424240527. The next prime is 520424240561. The reversal of 520424240553 is 355042424025.

520424240553 is a `hidden beast` number, since 5 + 2 + 0 + 4 + 242 + 405 + 5 + 3 = 666.

It is not a de Polignac number, because 520424240553 - 2⁵ = 520424240521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (520424240563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 61723248 + ... + 61731678.

It is an arithmetic number, because the mean of its divisors is an integer number (9224186400).

Almost surely, 2^520424240553 is an apocalyptic number.

It is an amenable number.

520424240553 is a deficient number, since it is larger than the sum of its proper divisors (365097653847).

520424240553 is a wasteful number, since it uses less digits than its factorization.

520424240553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8743 (or 8740 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 36.

Adding to 520424240553 its reverse (355042424025), we get a palindrome (875466664578).

The spelling of 520424240553 in words is "five hundred twenty billion, four hundred twenty-four million, two hundred forty thousand, five hundred fifty-three".