553254040321 has 8 divisors (see below), whose sum is σ = 585899135784. Its totient is φ = 520620138240.

The previous prime is 553254040301. The next prime is 553254040331. The reversal of 553254040321 is 123040452355.

It can be written as a sum of positive squares in 4 ways, for example, as 387412880625 + 165841159696 = 622425^2 + 407236^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 553254040321 - 2⁵ = 553254040289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (553254040301) 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, 2696470 + ... + 2894383.

It is an arithmetic number, because the mean of its divisors is an integer number (73237391973).

Almost surely, 2^553254040321 is an apocalyptic number.

It is an amenable number.

553254040321 is a deficient number, since it is larger than the sum of its proper divisors (32645095463).

553254040321 is a wasteful number, since it uses less digits than its factorization.

553254040321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5596691.

The product of its (nonzero) digits is 72000, while the sum is 34.

Adding to 553254040321 its reverse (123040452355), we get a palindrome (676294492676).

The spelling of 553254040321 in words is "five hundred fifty-three billion, two hundred fifty-four million, forty thousand, three hundred twenty-one".