53167189 has 2 divisors, whose sum is σ = 53167190. Its totient is φ = 53167188.

The previous prime is 53167183. The next prime is 53167193. The reversal of 53167189 is 98176135.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38651089 + 14516100 = 6217^2 + 3810^2 .

It is a cyclic number.

It is not a de Polignac number, because 53167189 - 2⁵ = 53167157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53167183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26583594 + 26583595.

It is an arithmetic number, because the mean of its divisors is an integer number (26583595).

Almost surely, 2^53167189 is an apocalyptic number.

It is an amenable number.

53167189 is a deficient number, since it is larger than the sum of its proper divisors (1).

53167189 is an equidigital number, since it uses as much as digits as its factorization.

53167189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 40.

The square root of 53167189 is about 7291.5834357155. The cubic root of 53167189 is about 376.0231354596.

The spelling of 53167189 in words is "fifty-three million, one hundred sixty-seven thousand, one hundred eighty-nine".