530550081521 has 8 divisors (see below), whose sum is σ = 533845391040. Its totient is φ = 527257399312.

The previous prime is 530550081433. The next prime is 530550081533. The reversal of 530550081521 is 125180055035.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-530550081521 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (530550080521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250925 + ... + 1060218.

It is an arithmetic number, because the mean of its divisors is an integer number (66730673880).

Almost surely, 2^530550081521 is an apocalyptic number.

It is an amenable number.

530550081521 is a deficient number, since it is larger than the sum of its proper divisors (3295309519).

530550081521 is a wasteful number, since it uses less digits than its factorization.

530550081521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313655.

The product of its (nonzero) digits is 30000, while the sum is 35.

The spelling of 530550081521 in words is "five hundred thirty billion, five hundred fifty million, eighty-one thousand, five hundred twenty-one".