53894189 has 2 divisors, whose sum is σ = 53894190. Its totient is φ = 53894188.

The previous prime is 53894173. The next prime is 53894201. The reversal of 53894189 is 98149835.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40513225 + 13380964 = 6365^2 + 3658^2 .

It is a cyclic number.

It is not a de Polignac number, because 53894189 - 2⁴ = 53894173 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53894149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26947094 + 26947095.

It is an arithmetic number, because the mean of its divisors is an integer number (26947095).

Almost surely, 2^53894189 is an apocalyptic number.

It is an amenable number.

53894189 is a deficient number, since it is larger than the sum of its proper divisors (1).

53894189 is an equidigital number, since it uses as much as digits as its factorization.

53894189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 311040, while the sum is 47.

The square root of 53894189 is about 7341.2661714448. The cubic root of 53894189 is about 377.7292766807.

The spelling of 53894189 in words is "fifty-three million, eight hundred ninety-four thousand, one hundred eighty-nine".