53543124340 has 24 divisors (see below), whose sum is σ = 113298891552. Its totient is φ = 21253758240.

The previous prime is 53543124331. The next prime is 53543124373. The reversal of 53543124340 is 4342134535.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 53543124296 and 53543124305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10215534 + ... + 10220773.

It is an arithmetic number, because the mean of its divisors is an integer number (4720787148).

Almost surely, 2^53543124340 is an apocalyptic number.

It is an amenable number.

53543124340 is an abundant number, since it is smaller than the sum of its proper divisors (59755767212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53543124340 is a wasteful number, since it uses less digits than its factorization.

53543124340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20436447 (or 20436445 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 34.

Adding to 53543124340 its reverse (4342134535), we get a palindrome (57885258875).

The spelling of 53543124340 in words is "fifty-three billion, five hundred forty-three million, one hundred twenty-four thousand, three hundred forty".