5661100 has 18 divisors (see below), whose sum is σ = 12284804. Its totient is φ = 2264400.

The previous prime is 5661083. The next prime is 5661113. The reversal of 5661100 is 11665.

5661100 is nontrivially palindromic in base 9.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28206 + ... + 28405.

Almost surely, 2^5661100 is an apocalyptic number.

5661100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5661100 is an abundant number, since it is smaller than the sum of its proper divisors (6623704).

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

5661100 is a wasteful number, since it uses less digits than its factorization.

5661100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56625 (or 56618 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 5661100 is about 2379.3066216862. The cubic root of 5661100 is about 178.2243100671.

Adding to 5661100 its reverse (11665), we get a palindrome (5672765).

The spelling of 5661100 in words is "five million, six hundred sixty-one thousand, one hundred".