53440354412 has 12 divisors (see below), whose sum is σ = 93605415456. Its totient is φ = 26695950000.

The previous prime is 53440354333. The next prime is 53440354417. The reversal of 53440354412 is 21445304435.

It is not an unprimeable number, because it can be changed into a prime (53440354417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6051839 + ... + 6060662.

It is an arithmetic number, because the mean of its divisors is an integer number (7800451288).

Almost surely, 2^53440354412 is an apocalyptic number.

It is an amenable number.

53440354412 is a deficient number, since it is larger than the sum of its proper divisors (40165061044).

53440354412 is a wasteful number, since it uses less digits than its factorization.

53440354412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12113608 (or 12113606 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 53440354412 its reverse (21445304435), we get a palindrome (74885658847).

The spelling of 53440354412 in words is "fifty-three billion, four hundred forty million, three hundred fifty-four thousand, four hundred twelve".