53243015412 has 48 divisors (see below), whose sum is σ = 127345361472. Its totient is φ = 17303704320.

The previous prime is 53243015387. The next prime is 53243015417. The reversal of 53243015412 is 21451034235.

It is a self number, because there is not a number n which added to its sum of digits gives 53243015412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53243015417) 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 15 ways as a sum of consecutive naturals, for example, 751843 + ... + 819605.

It is an arithmetic number, because the mean of its divisors is an integer number (2653028364).

Almost surely, 2^53243015412 is an apocalyptic number.

It is an amenable number.

53243015412 is an abundant number, since it is smaller than the sum of its proper divisors (74102346060).

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

53243015412 is a wasteful number, since it uses less digits than its factorization.

53243015412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69408 (or 69406 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 53243015412 its reverse (21451034235), we get a palindrome (74694049647).

The spelling of 53243015412 in words is "fifty-three billion, two hundred forty-three million, fifteen thousand, four hundred twelve".