5556776555 has 8 divisors (see below), whose sum is σ = 7274325744. Its totient is φ = 4041292000.

The previous prime is 5556776551. The next prime is 5556776557.

It is a happy number.

5556776555 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 5556776555 - 2² = 5556776551 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 5556776555.

It is not an unprimeable number, because it can be changed into a prime (5556776551) 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, 50516096 + ... + 50516205.

It is an arithmetic number, because the mean of its divisors is an integer number (909290718).

Almost surely, 2^5556776555 is an apocalyptic number.

5556776555 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5556776555 is a deficient number, since it is larger than the sum of its proper divisors (1717549189).

5556776555 is a wasteful number, since it uses less digits than its factorization.

5556776555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101032317.

The product of its digits is 27562500, while the sum is 56.

The square root of 5556776555 is about 74543.7895132787. The cubic root of 5556776555 is about 1771.2273563523.

The spelling of 5556776555 in words is "five billion, five hundred fifty-six million, seven hundred seventy-six thousand, five hundred fifty-five".