53859149 has 2 divisors, whose sum is σ = 53859150. Its totient is φ = 53859148.

The previous prime is 53859139. The next prime is 53859163. The reversal of 53859149 is 94195835.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38217124 + 15642025 = 6182^2 + 3955^2 .

It is a cyclic number.

It is not a de Polignac number, because 53859149 - 2¹⁶ = 53793613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53859139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26929574 + 26929575.

It is an arithmetic number, because the mean of its divisors is an integer number (26929575).

Almost surely, 2^53859149 is an apocalyptic number.

It is an amenable number.

53859149 is a deficient number, since it is larger than the sum of its proper divisors (1).

53859149 is an equidigital number, since it uses as much as digits as its factorization.

53859149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 194400, while the sum is 44.

The square root of 53859149 is about 7338.8792741126. The cubic root of 53859149 is about 377.6473970843.

The spelling of 53859149 in words is "fifty-three million, eight hundred fifty-nine thousand, one hundred forty-nine".