556391360 has 56 divisors (see below), whose sum is σ = 1514185440. Its totient is φ = 190761984.

The previous prime is 556391359. The next prime is 556391393. The reversal of 556391360 is 63193655.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121955 + ... + 126434.

Almost surely, 2^556391360 is an apocalyptic number.

It is an amenable number.

556391360 is an abundant number, since it is smaller than the sum of its proper divisors (957794080).

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

556391360 is a wasteful number, since it uses less digits than its factorization.

556391360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248413 (or 248403 counting only the distinct ones).

The product of its (nonzero) digits is 72900, while the sum is 38.

The square root of 556391360 is about 23587.9494657760. The cubic root of 556391360 is about 822.4827390803.

The spelling of 556391360 in words is "five hundred fifty-six million, three hundred ninety-one thousand, three hundred sixty".