53332305409 has 2 divisors, whose sum is σ = 53332305410. Its totient is φ = 53332305408.

The previous prime is 53332305371. The next prime is 53332305413. The reversal of 53332305409 is 90450323335.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30758144400 + 22574161009 = 175380^2 + 150247^2 .

It is a cyclic number.

It is not a de Polignac number, because 53332305409 - 2⁹ = 53332304897 is a prime.

It is not a weakly prime, because it can be changed into another prime (53332305449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26666152704 + 26666152705.

It is an arithmetic number, because the mean of its divisors is an integer number (26666152705).

Almost surely, 2^53332305409 is an apocalyptic number.

It is an amenable number.

53332305409 is a deficient number, since it is larger than the sum of its proper divisors (1).

53332305409 is an equidigital number, since it uses as much as digits as its factorization.

53332305409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145800, while the sum is 37.

The spelling of 53332305409 in words is "fifty-three billion, three hundred thirty-two million, three hundred five thousand, four hundred nine".