561100600 has 48 divisors (see below), whose sum is σ = 1307505600. Its totient is φ = 223933440.

The previous prime is 561100591. The next prime is 561100627. The reversal of 561100600 is 6001165.

561100600 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 polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92872 + ... + 98728.

It is an arithmetic number, because the mean of its divisors is an integer number (27239700).

Almost surely, 2^561100600 is an apocalyptic number.

561100600 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

561100600 is an abundant number, since it is smaller than the sum of its proper divisors (746405000).

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

561100600 is a wasteful number, since it uses less digits than its factorization.

561100600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6352 (or 6343 counting only the distinct ones).

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

The square root of 561100600 is about 23687.5621371217. The cubic root of 561100600 is about 824.7966930921.

Adding to 561100600 its reverse (6001165), we get a palindrome (567101765).

The spelling of 561100600 in words is "five hundred sixty-one million, one hundred thousand, six hundred".