53340440052 has 12 divisors (see below), whose sum is σ = 124461026816. Its totient is φ = 17780146680.

The previous prime is 53340440011. The next prime is 53340440071. The reversal of 53340440052 is 25004404335.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2222518324 + ... + 2222518347.

Almost surely, 2^53340440052 is an apocalyptic number.

It is an amenable number.

53340440052 is an abundant number, since it is smaller than the sum of its proper divisors (71120586764).

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

53340440052 is a wasteful number, since it uses less digits than its factorization.

53340440052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4445036678 (or 4445036676 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 30.

Adding to 53340440052 its reverse (25004404335), we get a palindrome (78344844387).

The spelling of 53340440052 in words is "fifty-three billion, three hundred forty million, four hundred forty thousand, fifty-two".