553430155441 has 4 divisors (see below), whose sum is σ = 553460487012. Its totient is φ = 553399823872.

The previous prime is 553430155403. The next prime is 553430155457. The reversal of 553430155441 is 144551034355.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 81955665841 + 471474489600 = 286279^2 + 686640^2 .

It is a cyclic number.

It is not a de Polignac number, because 553430155441 - 2²⁹ = 552893284529 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 553430155394 and 553430155403.

It is not an unprimeable number, because it can be changed into a prime (553430156441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15138400 + ... + 15174913.

It is an arithmetic number, because the mean of its divisors is an integer number (138365121753).

Almost surely, 2^553430155441 is an apocalyptic number.

It is an amenable number.

553430155441 is a deficient number, since it is larger than the sum of its proper divisors (30331571).

553430155441 is a wasteful number, since it uses less digits than its factorization.

553430155441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30331570.

The product of its (nonzero) digits is 360000, while the sum is 40.

Adding to 553430155441 its reverse (144551034355), we get a palindrome (697981189796).

The spelling of 553430155441 in words is "five hundred fifty-three billion, four hundred thirty million, one hundred fifty-five thousand, four hundred forty-one".