524420553 has 4 divisors (see below), whose sum is σ = 699227408. Its totient is φ = 349613700.

The previous prime is 524420551. The next prime is 524420569. The reversal of 524420553 is 355024425.

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 not a de Polignac number, because 524420553 - 2¹ = 524420551 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 524420553.

It is not an unprimeable number, because it can be changed into a prime (524420551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87403423 + ... + 87403428.

It is an arithmetic number, because the mean of its divisors is an integer number (174806852).

Almost surely, 2^524420553 is an apocalyptic number.

It is an amenable number.

524420553 is a deficient number, since it is larger than the sum of its proper divisors (174806855).

524420553 is a wasteful number, since it uses less digits than its factorization.

524420553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174806854.

The product of its (nonzero) digits is 24000, while the sum is 30.

The square root of 524420553 is about 22900.2304136880. The cubic root of 524420553 is about 806.4174212501.

Adding to 524420553 its reverse (355024425), we get a palindrome (879444978).

The spelling of 524420553 in words is "five hundred twenty-four million, four hundred twenty thousand, five hundred fifty-three".