55563351047 has 2 divisors, whose sum is σ = 55563351048. Its totient is φ = 55563351046.

The previous prime is 55563351029. The next prime is 55563351097. The reversal of 55563351047 is 74015336555.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55563351047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55563350989 and 55563351007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55563351097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27781675523 + 27781675524.

It is an arithmetic number, because the mean of its divisors is an integer number (27781675524).

Almost surely, 2^55563351047 is an apocalyptic number.

55563351047 is a deficient number, since it is larger than the sum of its proper divisors (1).

55563351047 is an equidigital number, since it uses as much as digits as its factorization.

55563351047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 945000, while the sum is 44.

The spelling of 55563351047 in words is "fifty-five billion, five hundred sixty-three million, three hundred fifty-one thousand, forty-seven".