530551872 has 84 divisors (see below), whose sum is σ = 1525187196. Its totient is φ = 176332800.

The previous prime is 530551871. The next prime is 530551921. The reversal of 530551872 is 278155035.

530551872 is a `hidden beast` number, since 5 + 30 + 551 + 8 + 72 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 427000896 + 103550976 = 20664^2 + 10176^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530551871) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 229828 + ... + 232124.

Almost surely, 2^530551872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 530551872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (762593598).

530551872 is an abundant number, since it is smaller than the sum of its proper divisors (994635324).

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

530551872 is a wasteful number, since it uses less digits than its factorization.

530551872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2716 (or 2703 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 36.

The square root of 530551872 is about 23033.7116418523. The cubic root of 530551872 is about 809.5480240240.

The spelling of 530551872 in words is "five hundred thirty million, five hundred fifty-one thousand, eight hundred seventy-two".