520555130433 has 48 divisors (see below), whose sum is σ = 819904752576. Its totient is φ = 316344263040.

The previous prime is 520555130413. The next prime is 520555130479. The reversal of 520555130433 is 334031555025.

520555130433 is a `hidden beast` number, since 5 + 205 + 5 + 5 + 13 + 0 + 433 = 666.

It is not a de Polignac number, because 520555130433 - 2⁵ = 520555130401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (520555130413) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3902938 + ... + 4034108.

It is an arithmetic number, because the mean of its divisors is an integer number (17081349012).

Almost surely, 2^520555130433 is an apocalyptic number.

It is an amenable number.

520555130433 is a deficient number, since it is larger than the sum of its proper divisors (299349622143).

520555130433 is a wasteful number, since it uses less digits than its factorization.

520555130433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131614 (or 131611 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 36.

Adding to 520555130433 its reverse (334031555025), we get a palindrome (854586685458).

The spelling of 520555130433 in words is "five hundred twenty billion, five hundred fifty-five million, one hundred thirty thousand, four hundred thirty-three".