55682087 has 2 divisors, whose sum is σ = 55682088. Its totient is φ = 55682086.

The previous prime is 55682083. The next prime is 55682093. The reversal of 55682087 is 78028655.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55682087 - 2² = 55682083 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55682083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27841043 + 27841044.

It is an arithmetic number, because the mean of its divisors is an integer number (27841044).

Almost surely, 2^55682087 is an apocalyptic number.

55682087 is a deficient number, since it is larger than the sum of its proper divisors (1).

55682087 is an equidigital number, since it uses as much as digits as its factorization.

55682087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 134400, while the sum is 41.

The square root of 55682087 is about 7462.0430848394. The cubic root of 55682087 is about 381.8608792301.

The spelling of 55682087 in words is "fifty-five million, six hundred eighty-two thousand, eighty-seven".