53143513532 has 24 divisors (see below), whose sum is σ = 98436833040. Its totient is φ = 25034158080.

The previous prime is 53143513531. The next prime is 53143513543. The reversal of 53143513532 is 23531534135.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 53143513492 and 53143513501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53143513531) 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, 1917893 + ... + 1945404.

It is an arithmetic number, because the mean of its divisors is an integer number (4101534710).

Almost surely, 2^53143513532 is an apocalyptic number.

It is an amenable number.

53143513532 is a deficient number, since it is larger than the sum of its proper divisors (45293319508).

53143513532 is a wasteful number, since it uses less digits than its factorization.

53143513532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3863501 (or 3863499 counting only the distinct ones).

The product of its digits is 81000, while the sum is 35.

The spelling of 53143513532 in words is "fifty-three billion, one hundred forty-three million, five hundred thirteen thousand, five hundred thirty-two".