556061001 has 16 divisors (see below), whose sum is σ = 756380160. Its totient is φ = 363242880.

The previous prime is 556060979. The next prime is 556061029. The reversal of 556061001 is 100160655.

It is not a de Polignac number, because 556061001 - 2¹¹ = 556058953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (556061101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155805 + ... + 159333.

It is an arithmetic number, because the mean of its divisors is an integer number (47273760).

Almost surely, 2^556061001 is an apocalyptic number.

It is an amenable number.

556061001 is a deficient number, since it is larger than the sum of its proper divisors (200319159).

556061001 is a wasteful number, since it uses less digits than its factorization.

556061001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4576.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 556061001 is about 23580.9457189486. The cubic root of 556061001 is about 822.3199230066.

The spelling of 556061001 in words is "five hundred fifty-six million, sixty-one thousand, one".