52809277 has 2 divisors, whose sum is σ = 52809278. Its totient is φ = 52809276.

The previous prime is 52809257. The next prime is 52809313. The reversal of 52809277 is 77290825.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41912676 + 10896601 = 6474^2 + 3301^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52809277 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52809257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26404638 + 26404639.

It is an arithmetic number, because the mean of its divisors is an integer number (26404639).

Almost surely, 2^52809277 is an apocalyptic number.

It is an amenable number.

52809277 is a deficient number, since it is larger than the sum of its proper divisors (1).

52809277 is an equidigital number, since it uses as much as digits as its factorization.

52809277 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70560, while the sum is 40.

The square root of 52809277 is about 7266.9991743498. Note that the first 3 decimals coincide. The cubic root of 52809277 is about 375.1774614880.

The spelling of 52809277 in words is "fifty-two million, eight hundred nine thousand, two hundred seventy-seven".