53143255243556 has 6 divisors (see below), whose sum is σ = 93000696676230. Its totient is φ = 26571627621776.

The previous prime is 53143255243553. The next prime is 53143255243591. The reversal of 53143255243556 is 65534255234135.

It can be written as a sum of positive squares in only one way, i.e., 50769757584100 + 2373497659456 = 7125290^2 + 1540616^2 .

It is a junction number, because it is equal to n+sod(n) for n = 53143255243498 and 53143255243507.

It is not an unprimeable number, because it can be changed into a prime (53143255243553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6642906905441 + ... + 6642906905448.

It is an arithmetic number, because the mean of its divisors is an integer number (15500116112705).

Almost surely, 2^{53143255243556} is an apocalyptic number.

It is an amenable number.

53143255243556 is a deficient number, since it is larger than the sum of its proper divisors (39857441432674).

53143255243556 is a wasteful number, since it uses less digits than its factorization.

53143255243556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13285813810893 (or 13285813810891 counting only the distinct ones).

The product of its digits is 32400000, while the sum is 53.

The spelling of 53143255243556 in words is "fifty-three trillion, one hundred forty-three billion, two hundred fifty-five million, two hundred forty-three thousand, five hundred fifty-six".