56403760 has 80 divisors (see below), whose sum is σ = 153133056. Its totient is φ = 18918144.

The previous prime is 56403733. The next prime is 56403803. The reversal of 56403760 is 6730465.

56403760 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

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, 25249 + ... + 27391.

Almost surely, 2^56403760 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 56403760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76566528).

56403760 is an abundant number, since it is smaller than the sum of its proper divisors (96729296).

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

56403760 is a wasteful number, since it uses less digits than its factorization.

56403760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2210 (or 2204 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 56403760 is about 7510.2436711468. The cubic root of 56403760 is about 383.5035177966.

The spelling of 56403760 in words is "fifty-six million, four hundred three thousand, seven hundred sixty".