55382947 has 2 divisors, whose sum is σ = 55382948. Its totient is φ = 55382946.

The previous prime is 55382939. The next prime is 55382981. The reversal of 55382947 is 74928355.

55382947 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55382947 - 2³ = 55382939 is a prime.

It is not a weakly prime, because it can be changed into another prime (55383947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27691473 + 27691474.

It is an arithmetic number, because the mean of its divisors is an integer number (27691474).

Almost surely, 2^55382947 is an apocalyptic number.

55382947 is a deficient number, since it is larger than the sum of its proper divisors (1).

55382947 is an equidigital number, since it uses as much as digits as its factorization.

55382947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 302400, while the sum is 43.

The square root of 55382947 is about 7441.9719832851. The cubic root of 55382947 is about 381.1758292692.

The spelling of 55382947 in words is "fifty-five million, three hundred eighty-two thousand, nine hundred forty-seven".