55086347 has 2 divisors, whose sum is σ = 55086348. Its totient is φ = 55086346.

The previous prime is 55086331. The next prime is 55086373. The reversal of 55086347 is 74368055.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55086347 - 2⁴ = 55086331 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55086347.

It is not a weakly prime, because it can be changed into another prime (55086547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27543173 + 27543174.

It is an arithmetic number, because the mean of its divisors is an integer number (27543174).

Almost surely, 2^55086347 is an apocalyptic number.

55086347 is a deficient number, since it is larger than the sum of its proper divisors (1).

55086347 is an equidigital number, since it uses as much as digits as its factorization.

55086347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 55086347 is about 7422.0177175752. The cubic root of 55086347 is about 380.4941562840.

The spelling of 55086347 in words is "fifty-five million, eighty-six thousand, three hundred forty-seven".