53250521189 has 2 divisors, whose sum is σ = 53250521190. Its totient is φ = 53250521188.

The previous prime is 53250521167. The next prime is 53250521227. The reversal of 53250521189 is 98112505235.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28281148900 + 24969372289 = 168170^2 + 158017^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53250521189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53250527189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26625260594 + 26625260595.

It is an arithmetic number, because the mean of its divisors is an integer number (26625260595).

Almost surely, 2^53250521189 is an apocalyptic number.

It is an amenable number.

53250521189 is a deficient number, since it is larger than the sum of its proper divisors (1).

53250521189 is an equidigital number, since it uses as much as digits as its factorization.

53250521189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108000, while the sum is 41.

The spelling of 53250521189 in words is "fifty-three billion, two hundred fifty million, five hundred twenty-one thousand, one hundred eighty-nine".