52776257 has 2 divisors, whose sum is σ = 52776258. Its totient is φ = 52776256.

The previous prime is 52776233. The next prime is 52776263. The reversal of 52776257 is 75267725.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44302336 + 8473921 = 6656^2 + 2911^2 .

It is a cyclic number.

It is not a de Polignac number, because 52776257 - 2⁸ = 52776001 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (52776277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26388128 + 26388129.

It is an arithmetic number, because the mean of its divisors is an integer number (26388129).

Almost surely, 2^52776257 is an apocalyptic number.

It is an amenable number.

52776257 is a deficient number, since it is larger than the sum of its proper divisors (1).

52776257 is an equidigital number, since it uses as much as digits as its factorization.

52776257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 205800, while the sum is 41.

The square root of 52776257 is about 7264.7269047088. The cubic root of 52776257 is about 375.0992495816.

The spelling of 52776257 in words is "fifty-two million, seven hundred seventy-six thousand, two hundred fifty-seven".