55485847 has 2 divisors, whose sum is σ = 55485848. Its totient is φ = 55485846.

The previous prime is 55485839. The next prime is 55485863. The reversal of 55485847 is 74858455.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55485847 - 2³ = 55485839 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55485797 and 55485806.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55485817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27742923 + 27742924.

It is an arithmetic number, because the mean of its divisors is an integer number (27742924).

Almost surely, 2^55485847 is an apocalyptic number.

55485847 is a deficient number, since it is larger than the sum of its proper divisors (1).

55485847 is an equidigital number, since it uses as much as digits as its factorization.

55485847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 896000, while the sum is 46.

The square root of 55485847 is about 7448.8822651456. The cubic root of 55485847 is about 381.4117546352.

The spelling of 55485847 in words is "fifty-five million, four hundred eighty-five thousand, eight hundred forty-seven".