5055555551 has 8 divisors (see below), whose sum is σ = 5132236080. Its totient is φ = 4978911168.

The previous prime is 5055555539. The next prime is 5055555559. The reversal of 5055555551 is 1555555505.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5055555551 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5055555499 and 5055555508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5055555559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 438995 + ... + 450363.

It is an arithmetic number, because the mean of its divisors is an integer number (641529510).

Almost surely, 2^5055555551 is an apocalyptic number.

5055555551 is a deficient number, since it is larger than the sum of its proper divisors (76680529).

5055555551 is a wasteful number, since it uses less digits than its factorization.

5055555551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18073.

The product of its (nonzero) digits is 390625, while the sum is 41.

The square root of 5055555551 is about 71102.4299936366. The cubic root of 5055555551 is about 1716.2858776770.

The spelling of 5055555551 in words is "five billion, fifty-five million, five hundred fifty-five thousand, five hundred fifty-one".