5569999655 has 24 divisors (see below), whose sum is σ = 7404827136. Its totient is φ = 4018956480.

The previous prime is 5569999639. The next prime is 5569999661.

It is a happy number.

5569999655 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5569999655 - 2⁴ = 5569999639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40589 + ... + 113081.

It is an arithmetic number, because the mean of its divisors is an integer number (308534464).

Almost surely, 2^5569999655 is an apocalyptic number.

5569999655 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5569999655 is a deficient number, since it is larger than the sum of its proper divisors (1834827481).

5569999655 is a wasteful number, since it uses less digits than its factorization.

5569999655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72647 (or 72636 counting only the distinct ones).

The product of its digits is 147622500, while the sum is 68.

The square root of 5569999655 is about 74632.4303168535. The cubic root of 5569999655 is about 1772.6312015997.

The spelling of 5569999655 in words is "five billion, five hundred sixty-nine million, nine hundred ninety-nine thousand, six hundred fifty-five".