55723847 has 2 divisors, whose sum is σ = 55723848. Its totient is φ = 55723846.

The previous prime is 55723817. The next prime is 55723867. The reversal of 55723847 is 74832755.

55723847 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55723847 - 2¹⁶ = 55658311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55723817) 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, 27861923 + 27861924.

It is an arithmetic number, because the mean of its divisors is an integer number (27861924).

Almost surely, 2^55723847 is an apocalyptic number.

55723847 is a deficient number, since it is larger than the sum of its proper divisors (1).

55723847 is an equidigital number, since it uses as much as digits as its factorization.

55723847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 235200, while the sum is 41.

The square root of 55723847 is about 7464.8407216765. The cubic root of 55723847 is about 381.9563170173.

The spelling of 55723847 in words is "fifty-five million, seven hundred twenty-three thousand, eight hundred forty-seven".