53445040312 has 8 divisors (see below), whose sum is σ = 100209450600. Its totient is φ = 26722520152.

The previous prime is 53445040307. The next prime is 53445040331. The reversal of 53445040312 is 21304054435.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3340315012 + ... + 3340315027.

It is an arithmetic number, because the mean of its divisors is an integer number (12526181325).

Almost surely, 2^53445040312 is an apocalyptic number.

It is an amenable number.

53445040312 is a deficient number, since it is larger than the sum of its proper divisors (46764410288).

53445040312 is a wasteful number, since it uses less digits than its factorization.

53445040312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6680630045 (or 6680630041 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 53445040312 its reverse (21304054435), we get a palindrome (74749094747).

The spelling of 53445040312 in words is "fifty-three billion, four hundred forty-five million, forty thousand, three hundred twelve".