53897523353 has 2 divisors, whose sum is σ = 53897523354. Its totient is φ = 53897523352.

The previous prime is 53897523311. The next prime is 53897523371. The reversal of 53897523353 is 35332579835.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43983736729 + 9913786624 = 209723^2 + 99568^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53897523353 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53897523295 and 53897523304.

It is not a weakly prime, because it can be changed into another prime (53897523853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26948761676 + 26948761677.

It is an arithmetic number, because the mean of its divisors is an integer number (26948761677).

Almost surely, 2^53897523353 is an apocalyptic number.

It is an amenable number.

53897523353 is a deficient number, since it is larger than the sum of its proper divisors (1).

53897523353 is an equidigital number, since it uses as much as digits as its factorization.

53897523353 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10206000, while the sum is 53.

The spelling of 53897523353 in words is "fifty-three billion, eight hundred ninety-seven million, five hundred twenty-three thousand, three hundred fifty-three".