55560889147 has 2 divisors, whose sum is σ = 55560889148. Its totient is φ = 55560889146.

The previous prime is 55560889133. The next prime is 55560889169. The reversal of 55560889147 is 74198806555.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55560889147 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55560889091 and 55560889100.

It is not a weakly prime, because it can be changed into another prime (55560889127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27780444573 + 27780444574.

It is an arithmetic number, because the mean of its divisors is an integer number (27780444574).

Almost surely, 2^55560889147 is an apocalyptic number.

55560889147 is a deficient number, since it is larger than the sum of its proper divisors (1).

55560889147 is an equidigital number, since it uses as much as digits as its factorization.

55560889147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096000, while the sum is 58.

The spelling of 55560889147 in words is "fifty-five billion, five hundred sixty million, eight hundred eighty-nine thousand, one hundred forty-seven".