5555555613 has 32 divisors (see below), whose sum is σ = 8724481920. Its totient is φ = 3481885440.

The previous prime is 5555555611. The next prime is 5555555633. The reversal of 5555555613 is 3165555555.

It is not a de Polignac number, because 5555555613 - 2¹ = 5555555611 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5555555611) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 428283 + ... + 441063.

It is an arithmetic number, because the mean of its divisors is an integer number (272640060).

Almost surely, 2^5555555613 is an apocalyptic number.

It is an amenable number.

5555555613 is a deficient number, since it is larger than the sum of its proper divisors (3168926307).

5555555613 is a wasteful number, since it uses less digits than its factorization.

5555555613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13754 (or 13748 counting only the distinct ones).

The product of its digits is 1406250, while the sum is 45.

The square root of 5555555613 is about 74535.5996353420. The cubic root of 5555555613 is about 1771.0976214087.

The spelling of 5555555613 in words is "five billion, five hundred fifty-five million, five hundred fifty-five thousand, six hundred thirteen".