52777229 has 2 divisors, whose sum is σ = 52777230. Its totient is φ = 52777228.

The previous prime is 52777199. The next prime is 52777237. The reversal of 52777229 is 92277725.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40513225 + 12264004 = 6365^2 + 3502^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52777229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52777259) 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, 26388614 + 26388615.

It is an arithmetic number, because the mean of its divisors is an integer number (26388615).

Almost surely, 2^52777229 is an apocalyptic number.

It is an amenable number.

52777229 is a deficient number, since it is larger than the sum of its proper divisors (1).

52777229 is an equidigital number, since it uses as much as digits as its factorization.

52777229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 123480, while the sum is 41.

The square root of 52777229 is about 7264.7938029926. The cubic root of 52777229 is about 375.1015523484.

The spelling of 52777229 in words is "fifty-two million, seven hundred seventy-seven thousand, two hundred twenty-nine".