5555666254 has 32 divisors (see below), whose sum is σ = 8686006560. Its totient is φ = 2662751232.

The previous prime is 5555666219. The next prime is 5555666257. The reversal of 5555666254 is 4526665555.

It is a junction number, because it is equal to n+sod(n) for n = 5555666198 and 5555666207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5555666257) 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 15 ways as a sum of consecutive naturals, for example, 2658442 + ... + 2660530.

It is an arithmetic number, because the mean of its divisors is an integer number (271437705).

Almost surely, 2^5555666254 is an apocalyptic number.

5555666254 is a deficient number, since it is larger than the sum of its proper divisors (3130340306).

5555666254 is a wasteful number, since it uses less digits than its factorization.

5555666254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2644.

The product of its digits is 5400000, while the sum is 49.

The square root of 5555666254 is about 74536.3418340342. The cubic root of 5555666254 is about 1771.1093786913.

The spelling of 5555666254 in words is "five billion, five hundred fifty-five million, six hundred sixty-six thousand, two hundred fifty-four".