56105740 has 36 divisors (see below), whose sum is σ = 123190704. Its totient is φ = 21462496.

The previous prime is 56105737. The next prime is 56105773. The reversal of 56105740 is 4750165.

It is a junction number, because it is equal to n+sod(n) for n = 56105699 and 56105708.

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 11 ways as a sum of consecutive naturals, for example, 7929 + ... + 13231.

It is an arithmetic number, because the mean of its divisors is an integer number (3421964).

Almost surely, 2^56105740 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56105740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61595352).

56105740 is an abundant number, since it is smaller than the sum of its proper divisors (67084964).

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

56105740 is a wasteful number, since it uses less digits than its factorization.

56105740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5358 (or 5333 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 56105740 is about 7490.3764925403. The cubic root of 56105740 is about 382.8268867507.

The spelling of 56105740 in words is "fifty-six million, one hundred five thousand, seven hundred forty".