53155454521104 has 120 divisors (see below), whose sum is σ = 162399218206680. Its totient is φ = 16131476146176.

The previous prime is 53155454521069. The next prime is 53155454521121. The reversal of 53155454521104 is 40112545455135.

53155454521104 is a `hidden beast` number, since 5 + 3 + 1 + 55 + 45 + 452 + 1 + 104 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 12201188720400 + 40954265800704 = 3493020^2 + 6399552^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 53155454521104.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 194349699 + ... + 194623010.

It is an arithmetic number, because the mean of its divisors is an integer number (1353326818389).

Almost surely, 2^{53155454521104} is an apocalyptic number.

It is an amenable number.

53155454521104 is an abundant number, since it is smaller than the sum of its proper divisors (109243763685576).

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

53155454521104 is a wasteful number, since it uses less digits than its factorization.

53155454521104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388972809 (or 388972800 counting only the distinct ones).

The product of its (nonzero) digits is 1200000, while the sum is 45.

Adding to 53155454521104 its reverse (40112545455135), we get a palindrome (93267999976239).

The spelling of 53155454521104 in words is "fifty-three trillion, one hundred fifty-five billion, four hundred fifty-four million, five hundred twenty-one thousand, one hundred four".