53781302313 has 6 divisors (see below), whose sum is σ = 77684103354. Its totient is φ = 35854201536.

The previous prime is 53781302297. The next prime is 53781302317. The reversal of 53781302313 is 31320318735.

53781302313 is a `hidden beast` number, since 5 + 37 + 8 + 1 + 302 + 313 = 666.

It can be written as a sum of positive squares in only one way, i.e., 46189316889 + 7591985424 = 214917^2 + 87132^2 .

It is not a de Polignac number, because 53781302313 - 2⁴ = 53781302297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53781302317) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2987850120 + ... + 2987850137.

It is an arithmetic number, because the mean of its divisors is an integer number (12947350559).

Almost surely, 2^53781302313 is an apocalyptic number.

It is an amenable number.

53781302313 is a deficient number, since it is larger than the sum of its proper divisors (23902801041).

53781302313 is a wasteful number, since it uses less digits than its factorization.

53781302313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5975700263 (or 5975700260 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The spelling of 53781302313 in words is "fifty-three billion, seven hundred eighty-one million, three hundred two thousand, three hundred thirteen".