556536680 has 64 divisors (see below), whose sum is σ = 1480464000. Its totient is φ = 184230144.

The previous prime is 556536653. The next prime is 556536697. The reversal of 556536680 is 86635655.

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, 26150 + ... + 42389.

It is an arithmetic number, because the mean of its divisors is an integer number (23132250).

Almost surely, 2^556536680 is an apocalyptic number.

It is an amenable number.

556536680 is an abundant number, since it is smaller than the sum of its proper divisors (923927320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

556536680 is a wasteful number, since it uses less digits than its factorization.

556536680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68586 (or 68582 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 44.

The square root of 556536680 is about 23591.0296511195. The cubic root of 556536680 is about 822.5543390343.

The spelling of 556536680 in words is "five hundred fifty-six million, five hundred thirty-six thousand, six hundred eighty".