53144454212 has 24 divisors (see below), whose sum is σ = 97128351936. Its totient is φ = 25395447968.

The previous prime is 53144454179. The next prime is 53144454227. The reversal of 53144454212 is 21245444135.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134123 + ... + 352530.

It is an arithmetic number, because the mean of its divisors is an integer number (4047014664).

Almost surely, 2^53144454212 is an apocalyptic number.

It is an amenable number.

53144454212 is a deficient number, since it is larger than the sum of its proper divisors (43983897724).

53144454212 is a wasteful number, since it uses less digits than its factorization.

53144454212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487867 (or 487865 counting only the distinct ones).

The product of its digits is 76800, while the sum is 35.

Adding to 53144454212 its reverse (21245444135), we get a palindrome (74389898347).

The spelling of 53144454212 in words is "fifty-three billion, one hundred forty-four million, four hundred fifty-four thousand, two hundred twelve".