56381300 has 18 divisors (see below), whose sum is σ = 122347638. Its totient is φ = 22552480.

The previous prime is 56381293. The next prime is 56381323. The reversal of 56381300 is 318365.

It can be written as a sum of positive squares in 3 ways, for example, as 11236 + 56370064 = 106^2 + 7508^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 56381300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 281807 + ... + 282006.

It is an arithmetic number, because the mean of its divisors is an integer number (6797091).

Almost surely, 2^56381300 is an apocalyptic number.

56381300 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

56381300 is an abundant number, since it is smaller than the sum of its proper divisors (65966338).

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

56381300 is a wasteful number, since it uses less digits than its factorization.

56381300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563827 (or 563820 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 56381300 is about 7508.7482312300. The cubic root of 56381300 is about 383.4526072866.

Adding to 56381300 its reverse (318365), we get a palindrome (56699665).

The spelling of 56381300 in words is "fifty-six million, three hundred eighty-one thousand, three hundred".