556683280 has 40 divisors (see below), whose sum is σ = 1362412800. Its totient is φ = 210953088.

The previous prime is 556683271. The next prime is 556683287. The reversal of 556683280 is 82386655.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (556683287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181600 + ... + 184639.

It is an arithmetic number, because the mean of its divisors is an integer number (34060320).

Almost surely, 2^556683280 is an apocalyptic number.

It is an amenable number.

556683280 is an abundant number, since it is smaller than the sum of its proper divisors (805729520).

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

556683280 is a wasteful number, since it uses less digits than its factorization.

556683280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366271 (or 366265 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 43.

The square root of 556683280 is about 23594.1365597472. The cubic root of 556683280 is about 822.6265570233.

The spelling of 556683280 in words is "five hundred fifty-six million, six hundred eighty-three thousand, two hundred eighty".