56109798 has 12 divisors (see below), whose sum is σ = 121571268. Its totient is φ = 18703260.

The previous prime is 56109787. The next prime is 56109817. The reversal of 56109798 is 89790165.

56109798 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 5 ways as a sum of consecutive naturals, for example, 1558588 + ... + 1558623.

It is an arithmetic number, because the mean of its divisors is an integer number (10130939).

Almost surely, 2^56109798 is an apocalyptic number.

56109798 is an abundant number, since it is smaller than the sum of its proper divisors (65461470).

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

56109798 is a wasteful number, since it uses less digits than its factorization.

56109798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3117219 (or 3117216 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 45.

The square root of 56109798 is about 7490.6473685523. The cubic root of 56109798 is about 382.8361161929.

The spelling of 56109798 in words is "fifty-six million, one hundred nine thousand, seven hundred ninety-eight".