55005005047 has 2 divisors, whose sum is σ = 55005005048. Its totient is φ = 55005005046.

The previous prime is 55005005017. The next prime is 55005005063. The reversal of 55005005047 is 74050050055.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55005005047 - 2²³ = 54996616439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55005005017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27502502523 + 27502502524.

It is an arithmetic number, because the mean of its divisors is an integer number (27502502524).

Almost surely, 2^55005005047 is an apocalyptic number.

55005005047 is a deficient number, since it is larger than the sum of its proper divisors (1).

55005005047 is an equidigital number, since it uses as much as digits as its factorization.

55005005047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17500, while the sum is 31.

The spelling of 55005005047 in words is "fifty-five billion, five million, five thousand, forty-seven".