56710640 has 240 divisors, whose sum is σ = 174042432. Its totient is φ = 17031168.

The previous prime is 56710639. The next prime is 56710651. The reversal of 56710640 is 4601765.

56710640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 14.

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 47 ways as a sum of consecutive naturals, for example, 1532702 + ... + 1532738.

Almost surely, 2^56710640 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 56710640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87021216).

56710640 is an abundant number, since it is smaller than the sum of its proper divisors (117331792).

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

56710640 is a wasteful number, since it uses less digits than its factorization.

56710640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104 (or 91 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 56710640 is about 7530.6467185760. The cubic root of 56710640 is about 384.1977786146.

The spelling of 56710640 in words is "fifty-six million, seven hundred ten thousand, six hundred forty".