56201112 has 72 divisors (see below), whose sum is σ = 167332620. Its totient is φ = 17028000.

The previous prime is 56201111. The next prime is 56201137. The reversal of 56201112 is 21110265.

It is a tau number, because it is divible by the number of its divisors (72).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56201111) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5487 + ... + 11937.

Almost surely, 2^56201112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56201112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83666310).

56201112 is an abundant number, since it is smaller than the sum of its proper divisors (111131508).

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

56201112 is a wasteful number, since it uses less digits than its factorization.

56201112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6485 (or 6467 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 56201112 is about 7496.7400915331. The cubic root of 56201112 is about 383.0436815474.

Adding to 56201112 its reverse (21110265), we get a palindrome (77311377).

The spelling of 56201112 in words is "fifty-six million, two hundred one thousand, one hundred twelve".