5555216623 has 8 divisors (see below), whose sum is σ = 6062268240. Its totient is φ = 5048503680.

The previous prime is 5555216621. The next prime is 5555216629. The reversal of 5555216623 is 3266125555.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5555216623 - 2¹ = 5555216621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5555216621) 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 in 7 ways as a sum of consecutive naturals, for example, 49738 + ... + 116551.

It is an arithmetic number, because the mean of its divisors is an integer number (757783530).

Almost surely, 2^5555216623 is an apocalyptic number.

5555216623 is a deficient number, since it is larger than the sum of its proper divisors (507051617).

5555216623 is a wasteful number, since it uses less digits than its factorization.

5555216623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169337.

The product of its digits is 270000, while the sum is 40.

The square root of 5555216623 is about 74533.3255866126. The cubic root of 5555216623 is about 1771.0615976134.

The spelling of 5555216623 in words is "five billion, five hundred fifty-five million, two hundred sixteen thousand, six hundred twenty-three".