53930489 has 2 divisors, whose sum is σ = 53930490. Its totient is φ = 53930488.

The previous prime is 53930467. The next prime is 53930507. The reversal of 53930489 is 98403935.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28174864 + 25755625 = 5308^2 + 5075^2 .

It is a cyclic number.

It is not a de Polignac number, because 53930489 - 2¹² = 53926393 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (53930419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26965244 + 26965245.

It is an arithmetic number, because the mean of its divisors is an integer number (26965245).

Almost surely, 2^53930489 is an apocalyptic number.

It is an amenable number.

53930489 is a deficient number, since it is larger than the sum of its proper divisors (1).

53930489 is an equidigital number, since it uses as much as digits as its factorization.

53930489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 53930489 is about 7343.7380808414. The cubic root of 53930489 is about 377.8140631589.

The spelling of 53930489 in words is "fifty-three million, nine hundred thirty thousand, four hundred eighty-nine".