553401533243 has 8 divisors (see below), whose sum is σ = 596183691936. Its totient is φ = 510649776000.

The previous prime is 553401533231. The next prime is 553401533261. The reversal of 553401533243 is 342335104355.

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

It is not a de Polignac number, because 553401533243 - 2⁴ = 553401533227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 553401533197 and 553401533206.

It is not an unprimeable number, because it can be changed into a prime (553401533143) 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, 7562543 + ... + 7635368.

It is an arithmetic number, because the mean of its divisors is an integer number (74522961492).

Almost surely, 2^553401533243 is an apocalyptic number.

553401533243 is a deficient number, since it is larger than the sum of its proper divisors (42782158693).

553401533243 is a wasteful number, since it uses less digits than its factorization.

553401533243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15200725.

The product of its (nonzero) digits is 324000, while the sum is 38.

Adding to 553401533243 its reverse (342335104355), we get a palindrome (895736637598).

The spelling of 553401533243 in words is "five hundred fifty-three billion, four hundred one million, five hundred thirty-three thousand, two hundred forty-three".