53212044321 has 12 divisors (see below), whose sum is σ = 76901303700. Its totient is φ = 35456483040.

The previous prime is 53212044317. The next prime is 53212044373. The reversal of 53212044321 is 12344021235.

53212044321 is a `hidden beast` number, since 5 + 3 + 21 + 204 + 432 + 1 = 666.

53212044321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 49768701921 + 3443342400 = 223089^2 + 58680^2 .

It is not a de Polignac number, because 53212044321 - 2² = 53212044317 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53219044321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1499250 + ... + 1534331.

It is an arithmetic number, because the mean of its divisors is an integer number (6408441975).

Almost surely, 2^53212044321 is an apocalyptic number.

It is an amenable number.

53212044321 is a deficient number, since it is larger than the sum of its proper divisors (23689259379).

53212044321 is a wasteful number, since it uses less digits than its factorization.

53212044321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3035536 (or 3035533 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 53212044321 its reverse (12344021235), we get a palindrome (65556065556).

The spelling of 53212044321 in words is "fifty-three billion, two hundred twelve million, forty-four thousand, three hundred twenty-one".