556241580 has 144 divisors (see below), whose sum is σ = 1763317920. Its totient is φ = 147386304.

The previous prime is 556241573. The next prime is 556241627. The reversal of 556241580 is 85142655.

556241580 is a `hidden beast` number, since 5 + 56 + 24 + 1 + 580 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 47 ways as a sum of consecutive naturals, for example, 3542862 + ... + 3543018.

Almost surely, 2^556241580 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 556241580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (881658960).

556241580 is an abundant number, since it is smaller than the sum of its proper divisors (1207076340).

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

556241580 is an equidigital number, since it uses as much as digits as its factorization.

556241580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199 (or 167 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

The square root of 556241580 is about 23584.7743258230. The cubic root of 556241580 is about 822.4089286119.

The spelling of 556241580 in words is "five hundred fifty-six million, two hundred forty-one thousand, five hundred eighty".