52168069 has 2 divisors, whose sum is σ = 52168070. Its totient is φ = 52168068.

The previous prime is 52168057. The next prime is 52168079. The reversal of 52168069 is 96086125.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51696100 + 471969 = 7190^2 + 687^2 .

It is a cyclic number.

It is not a de Polignac number, because 52168069 - 2⁵ = 52168037 is a prime.

It is a super-2 number, since 2×52168069² = 5443014846377522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52168079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26084034 + 26084035.

It is an arithmetic number, because the mean of its divisors is an integer number (26084035).

Almost surely, 2^52168069 is an apocalyptic number.

It is an amenable number.

52168069 is a deficient number, since it is larger than the sum of its proper divisors (1).

52168069 is an equidigital number, since it uses as much as digits as its factorization.

52168069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 52168069 is about 7222.7466382257. The cubic root of 52168069 is about 373.6528110512.

The spelling of 52168069 in words is "fifty-two million, one hundred sixty-eight thousand, sixty-nine".