53215205237 has 2 divisors, whose sum is σ = 53215205238. Its totient is φ = 53215205236.

The previous prime is 53215205231. The next prime is 53215205297. The reversal of 53215205237 is 73250251235.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50935524721 + 2279680516 = 225689^2 + 47746^2 .

It is a cyclic number.

It is not a de Polignac number, because 53215205237 - 2⁸ = 53215204981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53215205197 and 53215205206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53215205231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26607602618 + 26607602619.

It is an arithmetic number, because the mean of its divisors is an integer number (26607602619).

Almost surely, 2^53215205237 is an apocalyptic number.

It is an amenable number.

53215205237 is a deficient number, since it is larger than the sum of its proper divisors (1).

53215205237 is an equidigital number, since it uses as much as digits as its factorization.

53215205237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63000, while the sum is 35.

The spelling of 53215205237 in words is "fifty-three billion, two hundred fifteen million, two hundred five thousand, two hundred thirty-seven".