55670269 has 2 divisors, whose sum is σ = 55670270. Its totient is φ = 55670268.

The previous prime is 55670267. The next prime is 55670287. The reversal of 55670269 is 96207655.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54567769 + 1102500 = 7387^2 + 1050^2 .

It is a cyclic number.

It is not a de Polignac number, because 55670269 - 2¹ = 55670267 is a prime.

It is a super-2 number, since 2×55670269² = 6198357701064722, which contains 22 as substring.

Together with 55670267, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55670261) 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, 27835134 + 27835135.

It is an arithmetic number, because the mean of its divisors is an integer number (27835135).

Almost surely, 2^55670269 is an apocalyptic number.

It is an amenable number.

55670269 is a deficient number, since it is larger than the sum of its proper divisors (1).

55670269 is an equidigital number, since it uses as much as digits as its factorization.

55670269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 113400, while the sum is 40.

The square root of 55670269 is about 7461.2511685374. The cubic root of 55670269 is about 381.8338618569.

The spelling of 55670269 in words is "fifty-five million, six hundred seventy thousand, two hundred sixty-nine".