56100198 has 144 divisors (see below), whose sum is σ = 152832960. Its totient is φ = 13638240.

The previous prime is 56100169. The next prime is 56100223. The reversal of 56100198 is 89100165.

It is a happy number.

It is a congruent number.

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 71 ways as a sum of consecutive naturals, for example, 675865 + ... + 675947.

It is an arithmetic number, because the mean of its divisors is an integer number (1061340).

Almost surely, 2^56100198 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56100198, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76416480).

56100198 is an abundant number, since it is smaller than the sum of its proper divisors (96732762).

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

56100198 is a wasteful number, since it uses less digits than its factorization.

56100198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143 (or 125 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 30.

The square root of 56100198 is about 7490.0065420532. The cubic root of 56100198 is about 382.8142814067.

The spelling of 56100198 in words is "fifty-six million, one hundred thousand, one hundred ninety-eight".