556626543 has 16 divisors (see below), whose sum is σ = 810034176. Its totient is φ = 337184640.

The previous prime is 556626541. The next prime is 556626547. The reversal of 556626543 is 345626655.

It is not a de Polignac number, because 556626543 - 2¹ = 556626541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 556626495 and 556626504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556626541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122946 + ... + 127392.

It is an arithmetic number, because the mean of its divisors is an integer number (50627136).

Almost surely, 2^556626543 is an apocalyptic number.

556626543 is a deficient number, since it is larger than the sum of its proper divisors (253407633).

556626543 is a wasteful number, since it uses less digits than its factorization.

556626543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8254.

The product of its digits is 648000, while the sum is 42.

The square root of 556626543 is about 23592.9341752992. The cubic root of 556626543 is about 822.5986087864.

The spelling of 556626543 in words is "five hundred fifty-six million, six hundred twenty-six thousand, five hundred forty-three".