56201100 has 36 divisors (see below), whose sum is σ = 162609384. Its totient is φ = 14986880.

The previous prime is 56201087. The next prime is 56201111. The reversal of 56201100 is 110265.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 56201100.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93369 + ... + 93968.

Almost surely, 2^56201100 is an apocalyptic number.

56201100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

56201100 is an abundant number, since it is smaller than the sum of its proper divisors (106408284).

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

56201100 is a wasteful number, since it uses less digits than its factorization.

56201100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187354 (or 187347 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 56201100 is about 7496.7392911852. The cubic root of 56201100 is about 383.0436542851.

Adding to 56201100 its reverse (110265), we get a palindrome (56311365).

The spelling of 56201100 in words is "fifty-six million, two hundred one thousand, one hundred".