556515368 has 16 divisors (see below), whose sum is σ = 1043767680. Its totient is φ = 278177328.

The previous prime is 556515367. The next prime is 556515371. The reversal of 556515368 is 863515655.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (556515367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27755 + ... + 43397.

It is an arithmetic number, because the mean of its divisors is an integer number (65235480).

Almost surely, 2^556515368 is an apocalyptic number.

It is an amenable number.

556515368 is a deficient number, since it is larger than the sum of its proper divisors (487252312).

556515368 is a wasteful number, since it uses less digits than its factorization.

556515368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20096 (or 20092 counting only the distinct ones).

The product of its digits is 540000, while the sum is 44.

The square root of 556515368 is about 23590.5779496815. The cubic root of 556515368 is about 822.5438392760.

The spelling of 556515368 in words is "five hundred fifty-six million, five hundred fifteen thousand, three hundred sixty-eight".