53677189 has 2 divisors, whose sum is σ = 53677190. Its totient is φ = 53677188.

The previous prime is 53677163. The next prime is 53677199. The reversal of 53677189 is 98177635.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48650625 + 5026564 = 6975^2 + 2242^2 .

It is a cyclic number.

It is not a de Polignac number, because 53677189 - 2²¹ = 51580037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53677139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26838594 + 26838595.

It is an arithmetic number, because the mean of its divisors is an integer number (26838595).

Almost surely, 2^53677189 is an apocalyptic number.

It is an amenable number.

53677189 is a deficient number, since it is larger than the sum of its proper divisors (1).

53677189 is an equidigital number, since it uses as much as digits as its factorization.

53677189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 317520, while the sum is 46.

The square root of 53677189 is about 7326.4717975298. The cubic root of 53677189 is about 377.2216306647.

The spelling of 53677189 in words is "fifty-three million, six hundred seventy-seven thousand, one hundred eighty-nine".