56266340 has 48 divisors (see below), whose sum is σ = 127807680. Its totient is φ = 20684160.

The previous prime is 56266321. The next prime is 56266361. The reversal of 56266340 is 4366265.

56266340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 56266297 and 56266306.

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 15 ways as a sum of consecutive naturals, for example, 98255 + ... + 98825.

It is an arithmetic number, because the mean of its divisors is an integer number (2662660).

Almost surely, 2^56266340 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 56266340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63903840).

56266340 is an abundant number, since it is smaller than the sum of its proper divisors (71541340).

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

56266340 is a wasteful number, since it uses less digits than its factorization.

56266340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972 (or 970 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 56266340 is about 7501.0892542350. The cubic root of 56266340 is about 383.1918133342.

The spelling of 56266340 in words is "fifty-six million, two hundred sixty-six thousand, three hundred forty".