52277287 has 2 divisors, whose sum is σ = 52277288. Its totient is φ = 52277286.

The previous prime is 52277279. The next prime is 52277333. The reversal of 52277287 is 78277225.

52277287 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52277287 - 2³ = 52277279 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 (52277237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26138643 + 26138644.

It is an arithmetic number, because the mean of its divisors is an integer number (26138644).

Almost surely, 2^52277287 is an apocalyptic number.

52277287 is a deficient number, since it is larger than the sum of its proper divisors (1).

52277287 is an equidigital number, since it uses as much as digits as its factorization.

52277287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 109760, while the sum is 40.

The square root of 52277287 is about 7230.3033822932. The cubic root of 52277287 is about 373.9133865794.

The spelling of 52277287 in words is "fifty-two million, two hundred seventy-seven thousand, two hundred eighty-seven".