52653556309 has 2 divisors, whose sum is σ = 52653556310. Its totient is φ = 52653556308.

The previous prime is 52653556301. The next prime is 52653556343. The reversal of 52653556309 is 90365535625.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41228084209 + 11425472100 = 203047^2 + 106890^2 .

It is a cyclic number.

It is not a de Polignac number, because 52653556309 - 2³ = 52653556301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52653556301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26326778154 + 26326778155.

It is an arithmetic number, because the mean of its divisors is an integer number (26326778155).

Almost surely, 2^52653556309 is an apocalyptic number.

It is an amenable number.

52653556309 is a deficient number, since it is larger than the sum of its proper divisors (1).

52653556309 is an equidigital number, since it uses as much as digits as its factorization.

52653556309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3645000, while the sum is 49.

The spelling of 52653556309 in words is "fifty-two billion, six hundred fifty-three million, five hundred fifty-six thousand, three hundred nine".