53166697 has 2 divisors, whose sum is σ = 53166698. Its totient is φ = 53166696.

The previous prime is 53166691. The next prime is 53166713. The reversal of 53166697 is 79666135.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38081241 + 15085456 = 6171^2 + 3884^2 .

It is a cyclic number.

It is not a de Polignac number, because 53166697 - 2¹¹ = 53164649 is a prime.

It is not a weakly prime, because it can be changed into another prime (53166691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26583348 + 26583349.

It is an arithmetic number, because the mean of its divisors is an integer number (26583349).

Almost surely, 2^53166697 is an apocalyptic number.

It is an amenable number.

53166697 is a deficient number, since it is larger than the sum of its proper divisors (1).

53166697 is an equidigital number, since it uses as much as digits as its factorization.

53166697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 204120, while the sum is 43.

The square root of 53166697 is about 7291.5496981094. The cubic root of 53166697 is about 376.0219755716.

The spelling of 53166697 in words is "fifty-three million, one hundred sixty-six thousand, six hundred ninety-seven".