53866259 has 2 divisors, whose sum is σ = 53866260. Its totient is φ = 53866258.

The previous prime is 53866237. The next prime is 53866279. The reversal of 53866259 is 95266835.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53866259 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53866279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26933129 + 26933130.

It is an arithmetic number, because the mean of its divisors is an integer number (26933130).

Almost surely, 2^53866259 is an apocalyptic number.

53866259 is a deficient number, since it is larger than the sum of its proper divisors (1).

53866259 is an equidigital number, since it uses as much as digits as its factorization.

53866259 is an evil number, because the sum of its binary digits is even.

The product of its digits is 388800, while the sum is 44.

The square root of 53866259 is about 7339.3636645148. The cubic root of 53866259 is about 377.6640142230.

The spelling of 53866259 in words is "fifty-three million, eight hundred sixty-six thousand, two hundred fifty-nine".