56111000 has 64 divisors (see below), whose sum is σ = 143264160. Its totient is φ = 20400000.

The previous prime is 56110987. The next prime is 56111021. The reversal of 56111000 is 11165.

56111000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 8450 + ... + 13550.

Almost surely, 2^56111000 is an apocalyptic number.

56111000 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 56111000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71632080).

56111000 is an abundant number, since it is smaller than the sum of its proper divisors (87153160).

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

56111000 is a wasteful number, since it uses less digits than its factorization.

56111000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5133 (or 5119 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 56111000 is about 7490.7276015084. The cubic root of 56111000 is about 382.8388499147.

Adding to 56111000 its reverse (11165), we get a palindrome (56122165).

The spelling of 56111000 in words is "fifty-six million, one hundred eleven thousand".