530555988 has 24 divisors (see below), whose sum is σ = 1240916320. Its totient is φ = 176430240.

The previous prime is 530555959. The next prime is 530555989. The reversal of 530555988 is 889555035.

It is a super-2 number, since 2×530555988² = 562979312805312288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530555989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47458 + ... + 57561.

Almost surely, 2^530555988 is an apocalyptic number.

It is an amenable number.

530555988 is an abundant number, since it is smaller than the sum of its proper divisors (710360332).

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

530555988 is a wasteful number, since it uses less digits than its factorization.

530555988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105447 (or 105445 counting only the distinct ones).

The product of its (nonzero) digits is 1080000, while the sum is 48.

The square root of 530555988 is about 23033.8009889814. The cubic root of 530555988 is about 809.5501174989.

The spelling of 530555988 in words is "five hundred thirty million, five hundred fifty-five thousand, nine hundred eighty-eight".