51533310144 has 28 divisors (see below), whose sum is σ = 136348550264. Its totient is φ = 17177769984.

The previous prime is 51533310121. The next prime is 51533310149. The reversal of 51533310144 is 44101333515.

It is not an unprimeable number, because it can be changed into a prime (51533310149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134201137 + ... + 134201520.

Almost surely, 2^51533310144 is an apocalyptic number.

It is an amenable number.

51533310144 is an abundant number, since it is smaller than the sum of its proper divisors (84815240120).

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

51533310144 is a wasteful number, since it uses less digits than its factorization.

51533310144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268402672 (or 268402662 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 51533310144 its reverse (44101333515), we get a palindrome (95634643659).

The spelling of 51533310144 in words is "fifty-one billion, five hundred thirty-three million, three hundred ten thousand, one hundred forty-four".