5558681225 has 6 divisors (see below), whose sum is σ = 6892764750. Its totient is φ = 4446944960.

The previous prime is 5558681221. The next prime is 5558681263. The reversal of 5558681225 is 5221868555.

It can be written as a sum of positive squares in 3 ways, for example, as 537683344 + 5020997881 = 23188^2 + 70859^2 .

It is not a de Polignac number, because 5558681225 - 2² = 5558681221 is a prime.

It is a super-2 number, since 2×5558681225² = 61797873922335001250, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5558681225.

It is not an unprimeable number, because it can be changed into a prime (5558681221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 111173600 + ... + 111173649.

It is an arithmetic number, because the mean of its divisors is an integer number (1148794125).

Almost surely, 2^5558681225 is an apocalyptic number.

It is an amenable number.

5558681225 is a deficient number, since it is larger than the sum of its proper divisors (1334083525).

5558681225 is a wasteful number, since it uses less digits than its factorization.

5558681225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222347259 (or 222347254 counting only the distinct ones).

The product of its digits is 960000, while the sum is 47.

The square root of 5558681225 is about 74556.5639296769. The cubic root of 5558681225 is about 1771.4297049739.

The spelling of 5558681225 in words is "five billion, five hundred fifty-eight million, six hundred eighty-one thousand, two hundred twenty-five".