5555555615 has 16 divisors (see below), whose sum is σ = 6752083968. Its totient is φ = 4387581216.

The previous prime is 5555555611. The next prime is 5555555633. The reversal of 5555555615 is 5165555555.

It is a cyclic number.

It is not a de Polignac number, because 5555555615 - 2² = 5555555611 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5555555615.

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 15 ways as a sum of consecutive naturals, for example, 646034 + ... + 654576.

It is an arithmetic number, because the mean of its divisors is an integer number (422005248).

Almost surely, 2^5555555615 is an apocalyptic number.

5555555615 is a deficient number, since it is larger than the sum of its proper divisors (1196528353).

5555555615 is a wasteful number, since it uses less digits than its factorization.

5555555615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10198.

The product of its digits is 2343750, while the sum is 47.

The square root of 5555555615 is about 74535.5996487584. The cubic root of 5555555615 is about 1771.0976216213.

The spelling of 5555555615 in words is "five billion, five hundred fifty-five million, five hundred fifty-five thousand, six hundred fifteen".