556201856 has 64 divisors (see below), whose sum is σ = 1275048960. Its totient is φ = 236736000.

The previous prime is 556201787. The next prime is 556201879. The reversal of 556201856 is 658102655.

It is a tau number, because it is divible by the number of its divisors (64).

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, 133241 + ... + 137351.

It is an arithmetic number, because the mean of its divisors is an integer number (19922640).

Almost surely, 2^556201856 is an apocalyptic number.

556201856 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 556201856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (637524480).

556201856 is an abundant number, since it is smaller than the sum of its proper divisors (718847104).

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

556201856 is a wasteful number, since it uses less digits than its factorization.

556201856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4283 (or 4271 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 38.

The square root of 556201856 is about 23583.9321572973. The cubic root of 556201856 is about 822.3893506976.

The spelling of 556201856 in words is "five hundred fifty-six million, two hundred one thousand, eight hundred fifty-six".