53963149 has 2 divisors, whose sum is σ = 53963150. Its totient is φ = 53963148.

The previous prime is 53963141. The next prime is 53963167. The reversal of 53963149 is 94136935.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47748100 + 6215049 = 6910^2 + 2493^2 .

It is a cyclic number.

It is not a de Polignac number, because 53963149 - 2³ = 53963141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53963141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26981574 + 26981575.

It is an arithmetic number, because the mean of its divisors is an integer number (26981575).

Almost surely, 2^53963149 is an apocalyptic number.

It is an amenable number.

53963149 is a deficient number, since it is larger than the sum of its proper divisors (1).

53963149 is an equidigital number, since it uses as much as digits as its factorization.

53963149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 87480, while the sum is 40.

The square root of 53963149 is about 7345.9614074674. The cubic root of 53963149 is about 377.8903151237.

The spelling of 53963149 in words is "fifty-three million, nine hundred sixty-three thousand, one hundred forty-nine".