530553448881 has 9 divisors (see below), whose sum is σ = 766358138091. Its totient is φ = 353700842472.

The previous prime is 530553448871. The next prime is 530553448897. The reversal of 530553448881 is 188844355035.

The square root of 530553448881 is 728391.

It is a perfect power (a square), and thus also a powerful number.

530553448881 is a `hidden beast` number, since 5 + 3 + 0 + 55 + 34 + 488 + 81 = 666.

It can be written as a sum of positive squares in only one way, i.e., 298919160225 + 231634288656 = 546735^2 + 481284^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 530553448881 - 2¹¹ = 530553446833 is a prime.

It is a super-2 number, since 2×530553448881² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (530553448871) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2063775 + ... + 2306571.

Almost surely, 2^530553448881 is an apocalyptic number.

530553448881 is the 728391-st square number.

530553448881 is the 364196-th centered octagonal number.

It is an amenable number.

530553448881 is a deficient number, since it is larger than the sum of its proper divisors (235804689210).

530553448881 is an frugal number, since it uses more digits than its factorization.

530553448881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485600 (or 242800 counting only the distinct ones).

The product of its (nonzero) digits is 9216000, while the sum is 54.

The spelling of 530553448881 in words is "five hundred thirty billion, five hundred fifty-three million, four hundred forty-eight thousand, eight hundred eighty-one".