556006001 has 8 divisors (see below), whose sum is σ = 558624840. Its totient is φ = 553393152.

The previous prime is 556005973. The next prime is 556006019. The reversal of 556006001 is 100600655.

556006001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 6150400 + 549855601 = 2480^2 + 23449^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 556006001 - 2⁶ = 556005937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (556006021) 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, 372665 + ... + 374153.

It is an arithmetic number, because the mean of its divisors is an integer number (69828105).

Almost surely, 2^556006001 is an apocalyptic number.

It is an amenable number.

556006001 is a deficient number, since it is larger than the sum of its proper divisors (2618839).

556006001 is a wasteful number, since it uses less digits than its factorization.

556006001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2995.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 556006001 is about 23579.7794943040. The cubic root of 556006001 is about 822.2928102217.

Adding to 556006001 its reverse (100600655), we get a palindrome (656606656).

The spelling of 556006001 in words is "five hundred fifty-six million, six thousand, one".