53261149 has 2 divisors, whose sum is σ = 53261150. Its totient is φ = 53261148.

The previous prime is 53261137. The next prime is 53261171. The reversal of 53261149 is 94116235.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50836900 + 2424249 = 7130^2 + 1557^2 .

It is a cyclic number.

It is not a de Polignac number, because 53261149 - 2⁹ = 53260637 is a prime.

It is equal to p_3184753 and since 53261149 and 3184753 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53261149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53261189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26630574 + 26630575.

It is an arithmetic number, because the mean of its divisors is an integer number (26630575).

Almost surely, 2^53261149 is an apocalyptic number.

It is an amenable number.

53261149 is a deficient number, since it is larger than the sum of its proper divisors (1).

53261149 is an equidigital number, since it uses as much as digits as its factorization.

53261149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 31.

The square root of 53261149 is about 7298.0236365745. The cubic root of 53261149 is about 376.2445147341.

The spelling of 53261149 in words is "fifty-three million, two hundred sixty-one thousand, one hundred forty-nine".