5520524421 has 16 divisors (see below), whose sum is σ = 7380460800. Its totient is φ = 3670484928.

The previous prime is 5520524413. The next prime is 5520524437. The reversal of 5520524421 is 1244250255.

It is not a de Polignac number, because 5520524421 - 2³ = 5520524413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5520524441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2667175 + ... + 2669243.

It is an arithmetic number, because the mean of its divisors is an integer number (461278800).

Almost surely, 2^5520524421 is an apocalyptic number.

It is an amenable number.

5520524421 is a deficient number, since it is larger than the sum of its proper divisors (1859936379).

5520524421 is a wasteful number, since it uses less digits than its factorization.

5520524421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4028.

The product of its (nonzero) digits is 16000, while the sum is 30.

The square root of 5520524421 is about 74300.2316349014. The cubic root of 5520524421 is about 1767.3671498038.

Adding to 5520524421 its reverse (1244250255), we get a palindrome (6764774676).

The spelling of 5520524421 in words is "five billion, five hundred twenty million, five hundred twenty-four thousand, four hundred twenty-one".