56012200 has 24 divisors (see below), whose sum is σ = 130228830. Its totient is φ = 22404800.

The previous prime is 56012183. The next prime is 56012219. The reversal of 56012200 is 221065.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 45887076 + 10125124 = 6774^2 + 3182^2 .

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, 139831 + ... + 140230.

Almost surely, 2^56012200 is an apocalyptic number.

56012200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

56012200 is an abundant number, since it is smaller than the sum of its proper divisors (74216630).

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

56012200 is a wasteful number, since it uses less digits than its factorization.

56012200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280077 (or 280068 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 56012200 is about 7484.1298759442. The cubic root of 56012200 is about 382.6140175853.

Adding to 56012200 its reverse (221065), we get a palindrome (56233265).

The spelling of 56012200 in words is "fifty-six million, twelve thousand, two hundred".