556023563 has 4 divisors (see below), whose sum is σ = 556071120. Its totient is φ = 555976008.

The previous prime is 556023521. The next prime is 556023571. The reversal of 556023563 is 365320655.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-556023563 is a prime.

It is a super-2 number, since 2×556023563² = 618324405222429938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (556023593) 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, 7298 + ... + 34136.

It is an arithmetic number, because the mean of its divisors is an integer number (139017780).

Almost surely, 2^556023563 is an apocalyptic number.

556023563 is a deficient number, since it is larger than the sum of its proper divisors (47557).

556023563 is a wasteful number, since it uses less digits than its factorization.

556023563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47556.

The product of its (nonzero) digits is 81000, while the sum is 35.

The square root of 556023563 is about 23580.1518867034. The cubic root of 556023563 is about 822.3014677747.

The spelling of 556023563 in words is "five hundred fifty-six million, twenty-three thousand, five hundred sixty-three".