56200000 has 84 divisors (see below), whose sum is σ = 139889484. Its totient is φ = 22400000.

The previous prime is 56199991. The next prime is 56200013. The reversal of 56200000 is 265.

It can be written as a sum of positive squares in 6 ways, for example, as 42302016 + 13897984 = 6504^2 + 3728^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 199860 + ... + 200140.

It is an arithmetic number, because the mean of its divisors is an integer number (1665351).

Almost surely, 2^56200000 is an apocalyptic number.

56200000 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 56200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69944742).

56200000 is an abundant number, since it is smaller than the sum of its proper divisors (83689484).

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

56200000 is an frugal number, since it uses more digits than its factorization.

56200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 56200000 is about 7496.6659255965. The cubic root of 56200000 is about 383.0411552191.

Adding to 56200000 its reverse (265), we get a palindrome (56200265).

The spelling of 56200000 in words is "fifty-six million, two hundred thousand".