5556173947 has 2 divisors, whose sum is σ = 5556173948. Its totient is φ = 5556173946.

The previous prime is 5556173939. The next prime is 5556173981. The reversal of 5556173947 is 7493716555.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5556173947 - 2³ = 5556173939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5556173894 and 5556173903.

It is not a weakly prime, because it can be changed into another prime (5556173047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2778086973 + 2778086974.

It is an arithmetic number, because the mean of its divisors is an integer number (2778086974).

Almost surely, 2^5556173947 is an apocalyptic number.

5556173947 is a deficient number, since it is larger than the sum of its proper divisors (1).

5556173947 is an equidigital number, since it uses as much as digits as its factorization.

5556173947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3969000, while the sum is 52.

The square root of 5556173947 is about 74539.7474304817. The cubic root of 5556173947 is about 1771.1633267630.

The spelling of 5556173947 in words is "five billion, five hundred fifty-six million, one hundred seventy-three thousand, nine hundred forty-seven".