556156147 has 4 divisors (see below), whose sum is σ = 561353976. Its totient is φ = 550958320.

The previous prime is 556156141. The next prime is 556156219. The reversal of 556156147 is 741651655.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-556156147 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (556156141) 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 3 ways as a sum of consecutive naturals, for example, 2598754 + ... + 2598967.

It is an arithmetic number, because the mean of its divisors is an integer number (140338494).

Almost surely, 2^556156147 is an apocalyptic number.

556156147 is a deficient number, since it is larger than the sum of its proper divisors (5197829).

556156147 is a wasteful number, since it uses less digits than its factorization.

556156147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5197828.

The product of its digits is 126000, while the sum is 40.

The square root of 556156147 is about 23582.9630665869. The cubic root of 556156147 is about 822.3668219315.

The spelling of 556156147 in words is "five hundred fifty-six million, one hundred fifty-six thousand, one hundred forty-seven".