520250232553 has 12 divisors (see below), whose sum is σ = 554309430640. Its totient is φ = 486930342456.

The previous prime is 520250232511. The next prime is 520250232611. The reversal of 520250232553 is 355232052025.

It is not a de Polignac number, because 520250232553 - 2²¹ = 520248135401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (520250232653) 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 11 ways as a sum of consecutive naturals, for example, 1856451 + ... + 2118232.

Almost surely, 2^520250232553 is an apocalyptic number.

It is an amenable number.

520250232553 is a deficient number, since it is larger than the sum of its proper divisors (34059198087).

520250232553 is an equidigital number, since it uses as much as digits as its factorization.

520250232553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3974868 (or 3974785 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 34.

Adding to 520250232553 its reverse (355232052025), we get a palindrome (875482284578).

The spelling of 520250232553 in words is "five hundred twenty billion, two hundred fifty million, two hundred thirty-two thousand, five hundred fifty-three".