556323145 has 16 divisors (see below), whose sum is σ = 773412480. Its totient is φ = 376251264.

The previous prime is 556323133. The next prime is 556323151. The reversal of 556323145 is 541323655.

It is a cyclic number.

It is not a de Polignac number, because 556323145 - 2¹¹ = 556321097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 556323145.

It is an unprimeable number.

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, 106315 + ... + 111424.

It is an arithmetic number, because the mean of its divisors is an integer number (48338280).

Almost surely, 2^556323145 is an apocalyptic number.

It is an amenable number.

556323145 is a deficient number, since it is larger than the sum of its proper divisors (217089335).

556323145 is a wasteful number, since it uses less digits than its factorization.

556323145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217824.

The product of its digits is 54000, while the sum is 34.

The square root of 556323145 is about 23586.5034500665. The cubic root of 556323145 is about 822.4491248793.

The spelling of 556323145 in words is "five hundred fifty-six million, three hundred twenty-three thousand, one hundred forty-five".