53005202381 has 2 divisors, whose sum is σ = 53005202382. Its totient is φ = 53005202380.

The previous prime is 53005202311. The next prime is 53005202407. The reversal of 53005202381 is 18320250035.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52964879881 + 40322500 = 230141^2 + 6350^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53005202381 is a prime.

It is a super-2 number, since 2×53005202381² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53005202311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26502601190 + 26502601191.

It is an arithmetic number, because the mean of its divisors is an integer number (26502601191).

Almost surely, 2^53005202381 is an apocalyptic number.

It is an amenable number.

53005202381 is a deficient number, since it is larger than the sum of its proper divisors (1).

53005202381 is an equidigital number, since it uses as much as digits as its factorization.

53005202381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 29.

The spelling of 53005202381 in words is "fifty-three billion, five million, two hundred two thousand, three hundred eighty-one".