53285193109 has 2 divisors, whose sum is σ = 53285193110. Its totient is φ = 53285193108.

The previous prime is 53285193103. The next prime is 53285193133. The reversal of 53285193109 is 90139158235.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47432484100 + 5852709009 = 217790^2 + 76503^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53285193109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53285193103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26642596554 + 26642596555.

It is an arithmetic number, because the mean of its divisors is an integer number (26642596555).

Almost surely, 2^53285193109 is an apocalyptic number.

It is an amenable number.

53285193109 is a deficient number, since it is larger than the sum of its proper divisors (1).

53285193109 is an equidigital number, since it uses as much as digits as its factorization.

53285193109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 291600, while the sum is 46.

The spelling of 53285193109 in words is "fifty-three billion, two hundred eighty-five million, one hundred ninety-three thousand, one hundred nine".