52772287 has 2 divisors, whose sum is σ = 52772288. Its totient is φ = 52772286.

The previous prime is 52772231. The next prime is 52772297. The reversal of 52772287 is 78227725.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52772287 - 2¹⁹ = 52247999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52772227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26386143 + 26386144.

It is an arithmetic number, because the mean of its divisors is an integer number (26386144).

Almost surely, 2^52772287 is an apocalyptic number.

52772287 is a deficient number, since it is larger than the sum of its proper divisors (1).

52772287 is an equidigital number, since it uses as much as digits as its factorization.

52772287 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 52772287 is about 7264.4536614944. The cubic root of 52772287 is about 375.0898439546.

The spelling of 52772287 in words is "fifty-two million, seven hundred seventy-two thousand, two hundred eighty-seven".