53511340323143 has 8 divisors (see below), whose sum is σ = 56337694513920. Its totient is φ = 50685982918200.

The previous prime is 53511340323131. The next prime is 53511340323149. The reversal of 53511340323143 is 34132304311535.

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 53511340323143 - 2⁴⁴ = 35919154278727 is a prime.

It is a super-2 number, since 2×53511340323143² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53511340323097 and 53511340323106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53511340323149) 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, 249086255 + ... + 249300992.

It is an arithmetic number, because the mean of its divisors is an integer number (7042211814240).

Almost surely, 2^{53511340323143} is an apocalyptic number.

53511340323143 is a deficient number, since it is larger than the sum of its proper divisors (2826354190777).

53511340323143 is a wasteful number, since it uses less digits than its factorization.

53511340323143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498392917.

The product of its (nonzero) digits is 194400, while the sum is 38.

Adding to 53511340323143 its reverse (34132304311535), we get a palindrome (87643644634678).

The spelling of 53511340323143 in words is "fifty-three trillion, five hundred eleven billion, three hundred forty million, three hundred twenty-three thousand, one hundred forty-three".