5531524520 has 16 divisors (see below), whose sum is σ = 12445930260. Its totient is φ = 2212609792.

The previous prime is 5531524507. The next prime is 5531524547. The reversal of 5531524520 is 254251355.

It can be written as a sum of positive squares in 2 ways, for example, as 4823858116 + 707666404 = 69454^2 + 26602^2 .

It is a super-2 number, since 2×5531524520² = 61195527030722460800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69144017 + ... + 69144096.

Almost surely, 2^5531524520 is an apocalyptic number.

It is an amenable number.

5531524520 is an abundant number, since it is smaller than the sum of its proper divisors (6914405740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5531524520 is a wasteful number, since it uses less digits than its factorization.

5531524520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138288124 (or 138288120 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 32.

The square root of 5531524520 is about 74374.2194580891. The cubic root of 5531524520 is about 1768.5402457920.

Adding to 5531524520 its reverse (254251355), we get a palindrome (5785775875).

The spelling of 5531524520 in words is "five billion, five hundred thirty-one million, five hundred twenty-four thousand, five hundred twenty".