53255061139266 has 144 divisors (see below), whose sum is σ = 137712824704728. Its totient is φ = 14821451366400.

The previous prime is 53255061139229. The next prime is 53255061139321. The reversal of 53255061139266 is 66293116055235.

53255061139266 is a `hidden beast` number, since 5 + 3 + 2 + 550 + 61 + 1 + 3 + 9 + 26 + 6 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 52079734123641 + 1175327015625 = 7216629^2 + 1084125^2 .

It is a super-2 number, since 2×53255061139266² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 22031106 + ... + 24328578.

Almost surely, 2^{53255061139266} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53255061139266, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68856412352364).

53255061139266 is an abundant number, since it is smaller than the sum of its proper divisors (84457763565462).

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

53255061139266 is a wasteful number, since it uses less digits than its factorization.

53255061139266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2298177 (or 2298167 counting only the distinct ones).

The product of its (nonzero) digits is 8748000, while the sum is 54.

The spelling of 53255061139266 in words is "fifty-three trillion, two hundred fifty-five billion, sixty-one million, one hundred thirty-nine thousand, two hundred sixty-six".