556632001 has 8 divisors (see below), whose sum is σ = 576433664. Its totient is φ = 536945760.

The previous prime is 556631989. The next prime is 556632053. The reversal of 556632001 is 100236655.

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 556632001 - 2⁹ = 556631489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (556632101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18981 + ... + 38386.

It is an arithmetic number, because the mean of its divisors is an integer number (72054208).

Almost surely, 2^556632001 is an apocalyptic number.

It is an amenable number.

556632001 is a deficient number, since it is larger than the sum of its proper divisors (19801663).

556632001 is a wasteful number, since it uses less digits than its factorization.

556632001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57711.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 556632001 is about 23593.0498452404. The cubic root of 556632001 is about 822.6012974404.

Adding to 556632001 its reverse (100236655), we get a palindrome (656868656).

The spelling of 556632001 in words is "five hundred fifty-six million, six hundred thirty-two thousand, one".