55447883 has 2 divisors, whose sum is σ = 55447884. Its totient is φ = 55447882.

The previous prime is 55447859. The next prime is 55447891. The reversal of 55447883 is 38874455.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55447883 - 2⁸ = 55447627 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (55447813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27723941 + 27723942.

It is an arithmetic number, because the mean of its divisors is an integer number (27723942).

Almost surely, 2^55447883 is an apocalyptic number.

55447883 is a deficient number, since it is larger than the sum of its proper divisors (1).

55447883 is an equidigital number, since it uses as much as digits as its factorization.

55447883 is an evil number, because the sum of its binary digits is even.

The product of its digits is 537600, while the sum is 44.

The square root of 55447883 is about 7446.3335273140. Note that the first 3 decimals coincide. The cubic root of 55447883 is about 381.3247461437.

The spelling of 55447883 in words is "fifty-five million, four hundred forty-seven thousand, eight hundred eighty-three".