52771669 has 2 divisors, whose sum is σ = 52771670. Its totient is φ = 52771668.

The previous prime is 52771643. The next prime is 52771681. The reversal of 52771669 is 96617725.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32924644 + 19847025 = 5738^2 + 4455^2 .

It is a cyclic number.

It is not a de Polignac number, because 52771669 - 2⁹ = 52771157 is a prime.

It is a super-3 number, since 3×52771669³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52771639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26385834 + 26385835.

It is an arithmetic number, because the mean of its divisors is an integer number (26385835).

Almost surely, 2^52771669 is an apocalyptic number.

It is an amenable number.

52771669 is a deficient number, since it is larger than the sum of its proper divisors (1).

52771669 is an equidigital number, since it uses as much as digits as its factorization.

52771669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 158760, while the sum is 43.

The square root of 52771669 is about 7264.4111254802. The cubic root of 52771669 is about 375.0883797617.

The spelling of 52771669 in words is "fifty-two million, seven hundred seventy-one thousand, six hundred sixty-nine".