56380000 has 60 divisors (see below), whose sum is σ = 138752460. Its totient is φ = 22544000.

The previous prime is 56379997. The next prime is 56380003. The reversal of 56380000 is 8365.

It is an interprime number because it is at equal distance from previous prime (56379997) and next prime (56380003).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56380003) by changing a digit.

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 9 ways as a sum of consecutive naturals, for example, 18591 + ... + 21409.

It is an arithmetic number, because the mean of its divisors is an integer number (2312541).

Almost surely, 2^56380000 is an apocalyptic number.

56380000 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 56380000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69376230).

56380000 is an abundant number, since it is smaller than the sum of its proper divisors (82372460).

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

56380000 is an equidigital number, since it uses as much as digits as its factorization.

56380000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2849 (or 2826 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 56380000 is about 7508.6616650373. The cubic root of 56380000 is about 383.4496601379.

Adding to 56380000 its reverse (8365), we get a palindrome (56388365).

The spelling of 56380000 in words is "fifty-six million, three hundred eighty thousand".