53434244533 has 4 divisors (see below), whose sum is σ = 53435294848. Its totient is φ = 53433194220.

The previous prime is 53434244497. The next prime is 53434244551. The reversal of 53434244533 is 33544243435.

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: 33544243435 = 5 ⋅6708848687.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53434244533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53434244833) 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, 444741 + ... + 551962.

It is an arithmetic number, because the mean of its divisors is an integer number (13358823712).

Almost surely, 2^53434244533 is an apocalyptic number.

It is an amenable number.

53434244533 is a deficient number, since it is larger than the sum of its proper divisors (1050315).

53434244533 is an equidigital number, since it uses as much as digits as its factorization.

53434244533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050314.

The product of its digits is 1036800, while the sum is 40.

Adding to 53434244533 its reverse (33544243435), we get a palindrome (86978487968).

It can be divided in two parts, 534342 and 44533, that added together give a palindrome (578875).

The spelling of 53434244533 in words is "fifty-three billion, four hundred thirty-four million, two hundred forty-four thousand, five hundred thirty-three".