5556055551 has 8 divisors (see below), whose sum is σ = 7481421744. Its totient is φ = 3667363200.

The previous prime is 5556055541. The next prime is 5556055553. The reversal of 5556055551 is 1555506555.

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

It is not a de Polignac number, because 5556055551 - 2¹³ = 5556047359 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5556055553) 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, 9168106 + ... + 9168711.

It is an arithmetic number, because the mean of its divisors is an integer number (935177718).

Almost surely, 2^5556055551 is an apocalyptic number.

5556055551 is a deficient number, since it is larger than the sum of its proper divisors (1925366193).

5556055551 is a wasteful number, since it uses less digits than its factorization.

5556055551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18336921.

The product of its (nonzero) digits is 468750, while the sum is 42.

The square root of 5556055551 is about 74538.9532459371. The cubic root of 5556055551 is about 1771.1507461548.

It can be divided in two parts, 55560 and 55551, that added together give a palindrome (111111).

The spelling of 5556055551 in words is "five billion, five hundred fifty-six million, fifty-five thousand, five hundred fifty-one".