55847641 has 2 divisors, whose sum is σ = 55847642. Its totient is φ = 55847640.

The previous prime is 55847633. The next prime is 55847663. The reversal of 55847641 is 14674855.

55847641 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 can be written as a sum of positive squares in only one way, i.e., 44089600 + 11758041 = 6640^2 + 3429^2 .

It is a cyclic number.

It is not a de Polignac number, because 55847641 - 2³ = 55847633 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 55847594 and 55847603.

It is not a weakly prime, because it can be changed into another prime (55847621) 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, 27923820 + 27923821.

It is an arithmetic number, because the mean of its divisors is an integer number (27923821).

Almost surely, 2^55847641 is an apocalyptic number.

It is an amenable number.

55847641 is a deficient number, since it is larger than the sum of its proper divisors (1).

55847641 is an equidigital number, since it uses as much as digits as its factorization.

55847641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 134400, while the sum is 40.

The square root of 55847641 is about 7473.1279261097. The cubic root of 55847641 is about 382.2389544116.

It can be divided in two parts, 5584 and 7641, that added together give a square (13225 = 115²).

The spelling of 55847641 in words is "fifty-five million, eight hundred forty-seven thousand, six hundred forty-one".