56511200 has 36 divisors (see below), whose sum is σ = 137959920. Its totient is φ = 22604160.

The previous prime is 56511199. The next prime is 56511209. The reversal of 56511200 is 211565.

56511200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56511209) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 34520 + ... + 36119.

It is an arithmetic number, because the mean of its divisors is an integer number (3832220).

Almost surely, 2^56511200 is an apocalyptic number.

56511200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

56511200 is an abundant number, since it is smaller than the sum of its proper divisors (81448720).

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

56511200 is a wasteful number, since it uses less digits than its factorization.

56511200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70659 (or 70646 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 56511200 is about 7517.3931651870. The cubic root of 56511200 is about 383.7468673152.

Adding to 56511200 its reverse (211565), we get a palindrome (56722765).

The spelling of 56511200 in words is "fifty-six million, five hundred eleven thousand, two hundred".