53135501204240 has 160 divisors (see below), whose sum is σ = 155152327948800. Its totient is φ = 16816510158336.

The previous prime is 53135501204231. The next prime is 53135501204243. The reversal of 53135501204240 is 4240210553135.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 53135501204240.

It is not an unprimeable number, because it can be changed into a prime (53135501204243) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 74121164 + ... + 74834603.

It is an arithmetic number, because the mean of its divisors is an integer number (969702049680).

Almost surely, 2^{53135501204240} is an apocalyptic number.

It is an amenable number.

53135501204240 is an abundant number, since it is smaller than the sum of its proper divisors (102016826744560).

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

53135501204240 is a wasteful number, since it uses less digits than its factorization.

53135501204240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148955814 (or 148955794 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 53135501204240 its reverse (4240210553135), we get a palindrome (57375711757375).

The spelling of 53135501204240 in words is "fifty-three trillion, one hundred thirty-five billion, five hundred one million, two hundred four thousand, two hundred forty".