53533145441 has 4 divisors (see below), whose sum is σ = 53537022000. Its totient is φ = 53529268884.

The previous prime is 53533145389. The next prime is 53533145447. The reversal of 53533145441 is 14454133535.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14454133535 = 5 ⋅2890826707.

It is a cyclic number.

It is not a de Polignac number, because 53533145441 - 2²⁶ = 53466036577 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53533145395 and 53533145404.

It is not an unprimeable number, because it can be changed into a prime (53533145447) 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, 1917491 + ... + 1945208.

It is an arithmetic number, because the mean of its divisors is an integer number (13384255500).

Almost surely, 2^53533145441 is an apocalyptic number.

It is an amenable number.

53533145441 is a deficient number, since it is larger than the sum of its proper divisors (3876559).

53533145441 is a wasteful number, since it uses less digits than its factorization.

53533145441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3876558.

The product of its digits is 216000, while the sum is 38.

Adding to 53533145441 its reverse (14454133535), we get a palindrome (67987278976).

The spelling of 53533145441 in words is "fifty-three billion, five hundred thirty-three million, one hundred forty-five thousand, four hundred forty-one".