5555651555 has 8 divisors (see below), whose sum is σ = 6776073744. Its totient is φ = 4371660000.

The previous prime is 5555651533. The next prime is 5555651579. The reversal of 5555651555 is 5551565555.

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

It is not a de Polignac number, because 5555651555 - 2¹² = 5555647459 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9107321 + ... + 9107930.

It is an arithmetic number, because the mean of its divisors is an integer number (847009218).

Almost surely, 2^5555651555 is an apocalyptic number.

5555651555 is a deficient number, since it is larger than the sum of its proper divisors (1220422189).

5555651555 is a wasteful number, since it uses less digits than its factorization.

5555651555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18215317.

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

The square root of 5555651555 is about 74536.2432310618. The cubic root of 5555651555 is about 1771.1078167088.

The spelling of 5555651555 in words is "five billion, five hundred fifty-five million, six hundred fifty-one thousand, five hundred fifty-five".