55671517147 has 2 divisors, whose sum is σ = 55671517148. Its totient is φ = 55671517146.

The previous prime is 55671517141. The next prime is 55671517247. The reversal of 55671517147 is 74171517655.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55671517147 - 2¹¹ = 55671515099 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55671517147.

It is not a weakly prime, because it can be changed into another prime (55671517141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27835758573 + 27835758574.

It is an arithmetic number, because the mean of its divisors is an integer number (27835758574).

Almost surely, 2^55671517147 is an apocalyptic number.

55671517147 is a deficient number, since it is larger than the sum of its proper divisors (1).

55671517147 is an equidigital number, since it uses as much as digits as its factorization.

55671517147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1029000, while the sum is 49.

The spelling of 55671517147 in words is "fifty-five billion, six hundred seventy-one million, five hundred seventeen thousand, one hundred forty-seven".