556250000 has 90 divisors (see below), whose sum is σ = 1362303990. Its totient is φ = 220000000.

The previous prime is 556249951. The next prime is 556250017. The reversal of 556250000 is 52655.

It can be written as a sum of positive squares in 9 ways, for example, as 102900736 + 453349264 = 10144^2 + 21292^2 .

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 17 ways as a sum of consecutive naturals, for example, 6249956 + ... + 6250044.

It is an arithmetic number, because the mean of its divisors is an integer number (15136711).

Almost surely, 2^556250000 is an apocalyptic number.

556250000 is a gapful number since it is divisible by the number (50) 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 556250000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (681151995).

556250000 is an abundant number, since it is smaller than the sum of its proper divisors (806053990).

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

556250000 is an frugal number, since it uses more digits than its factorization.

556250000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 556250000 is about 23584.9528301415. The cubic root of 556250000 is about 822.4130782767.

The spelling of 556250000 in words is "five hundred fifty-six million, two hundred fifty thousand".