5556551001 has 16 divisors (see below), whose sum is σ = 7560005760. Its totient is φ = 3629404800.

The previous prime is 5556550957. The next prime is 5556551017. The reversal of 5556551001 is 1001556555.

It is not a de Polignac number, because 5556551001 - 2¹⁴ = 5556534617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5556551041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50946 + ... + 117083.

It is an arithmetic number, because the mean of its divisors is an integer number (472500360).

Almost surely, 2^5556551001 is an apocalyptic number.

It is an amenable number.

5556551001 is a deficient number, since it is larger than the sum of its proper divisors (2003454759).

5556551001 is a wasteful number, since it uses less digits than its factorization.

5556551001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168256.

The product of its (nonzero) digits is 18750, while the sum is 33.

The square root of 5556551001 is about 74542.2766019391. The cubic root of 5556551001 is about 1771.2033908501.

It can be divided in two parts, 555 and 6551001, that added together give a palindrome (6551556).

The spelling of 5556551001 in words is "five billion, five hundred fifty-six million, five hundred fifty-one thousand, one".