56311200 has 360 divisors, whose sum is σ = 226860480. Its totient is φ = 13478400.

The previous prime is 56311187. The next prime is 56311201. The reversal of 56311200 is 211365.

It is a tau number, because it is divible by the number of its divisors (360).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (56311201) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 712761 + ... + 712839.

It is an arithmetic number, because the mean of its divisors is an integer number (630168).

Almost surely, 2^56311200 is an apocalyptic number.

56311200 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 56311200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113430240).

56311200 is an abundant number, since it is smaller than the sum of its proper divisors (170549280).

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

56311200 is a wasteful number, since it uses less digits than its factorization.

56311200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 56311200 is about 7504.0788908433. The cubic root of 56311200 is about 383.2936232757.

Adding to 56311200 its reverse (211365), we get a palindrome (56522565).

The spelling of 56311200 in words is "fifty-six million, three hundred eleven thousand, two hundred".