55269259 has 2 divisors, whose sum is σ = 55269260. Its totient is φ = 55269258.

The previous prime is 55269251. The next prime is 55269281. The reversal of 55269259 is 95296255.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55269259 - 2³ = 55269251 is a prime.

It is not a weakly prime, because it can be changed into another prime (55269251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27634629 + 27634630.

It is an arithmetic number, because the mean of its divisors is an integer number (27634630).

Almost surely, 2^55269259 is an apocalyptic number.

55269259 is a deficient number, since it is larger than the sum of its proper divisors (1).

55269259 is an equidigital number, since it uses as much as digits as its factorization.

55269259 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 243000, while the sum is 43.

The square root of 55269259 is about 7434.3297613168. The cubic root of 55269259 is about 380.9148295325.

The spelling of 55269259 in words is "fifty-five million, two hundred sixty-nine thousand, two hundred fifty-nine".